Remove ts_library_builder, maintain lib.deno_runtime.d.ts by hand (#2827)

5 files changed, 2777 insertions, 105 deletions

diff --git a/js/assets.ts b/js/assets.ts
deleted file mode 100644
index 89ca7ac86..000000000
--- a/js/assets.ts
+++ /dev/null
@@ -1,99 +0,0 @@
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
-
-// eslint-disable-next-line @typescript-eslint/no-triple-slash-reference
-/// <reference path="./plugins.d.ts" />
-
-// There is a rollup plugin that will inline any module ending with `!string`
-
-// Generated default library
-import libDts from "gen/cli/lib/lib.deno_runtime.d.ts!string";
-
-// Static libraries
-import libEs2015Dts from "/third_party/node_modules/typescript/lib/lib.es2015.d.ts!string";
-import libEs2015CollectionDts from "/third_party/node_modules/typescript/lib/lib.es2015.collection.d.ts!string";
-import libEs2015CoreDts from "/third_party/node_modules/typescript/lib/lib.es2015.core.d.ts!string";
-import libEs2015GeneratorDts from "/third_party/node_modules/typescript/lib/lib.es2015.generator.d.ts!string";
-import libEs2015IterableDts from "/third_party/node_modules/typescript/lib/lib.es2015.iterable.d.ts!string";
-import libEs2015PromiseDts from "/third_party/node_modules/typescript/lib/lib.es2015.promise.d.ts!string";
-import libEs2015ProxyDts from "/third_party/node_modules/typescript/lib/lib.es2015.proxy.d.ts!string";
-import libEs2015ReflectDts from "/third_party/node_modules/typescript/lib/lib.es2015.reflect.d.ts!string";
-import libEs2015SymbolDts from "/third_party/node_modules/typescript/lib/lib.es2015.symbol.d.ts!string";
-import libEs2015SymbolWellknownDts from "/third_party/node_modules/typescript/lib/lib.es2015.symbol.wellknown.d.ts!string";
-import libEs2016Dts from "/third_party/node_modules/typescript/lib/lib.es2016.d.ts!string";
-import libEs2016ArrayIncludeDts from "/third_party/node_modules/typescript/lib/lib.es2016.array.include.d.ts!string";
-import libEs2017Dts from "/third_party/node_modules/typescript/lib/lib.es2017.d.ts!string";
-import libEs2017IntlDts from "/third_party/node_modules/typescript/lib/lib.es2017.intl.d.ts!string";
-import libEs2017ObjectDts from "/third_party/node_modules/typescript/lib/lib.es2017.object.d.ts!string";
-import libEs2017SharedmemoryDts from "/third_party/node_modules/typescript/lib/lib.es2017.sharedmemory.d.ts!string";
-import libEs2017StringDts from "/third_party/node_modules/typescript/lib/lib.es2017.string.d.ts!string";
-import libEs2017TypedarraysDts from "/third_party/node_modules/typescript/lib/lib.es2017.typedarrays.d.ts!string";
-import libEs2018Dts from "/third_party/node_modules/typescript/lib/lib.es2018.d.ts!string";
-import libEs2018AsyncIterableDts from "/third_party/node_modules/typescript/lib/lib.es2018.asynciterable.d.ts!string";
-import libEs2018IntlDts from "/third_party/node_modules/typescript/lib/lib.es2018.intl.d.ts!string";
-import libEs2018PromiseDts from "/third_party/node_modules/typescript/lib/lib.es2018.promise.d.ts!string";
-import libEs2018RegexpDts from "/third_party/node_modules/typescript/lib/lib.es2018.regexp.d.ts!string";
-import libEs2019Dts from "/third_party/node_modules/typescript/lib/lib.es2019.d.ts!string";
-import libEs2019ArrayDts from "/third_party/node_modules/typescript/lib/lib.es2019.array.d.ts!string";
-import libEs2019ObjectDts from "/third_party/node_modules/typescript/lib/lib.es2019.object.d.ts!string";
-import libEs2019StringDts from "/third_party/node_modules/typescript/lib/lib.es2019.string.d.ts!string";
-import libEs2019SymbolDts from "/third_party/node_modules/typescript/lib/lib.es2019.symbol.d.ts!string";
-import libEs2020Dts from "/third_party/node_modules/typescript/lib/lib.es2020.d.ts!string";
-import libEs2020String from "/third_party/node_modules/typescript/lib/lib.es2020.string.d.ts!string";
-import libEs2020SymbolWellknownDts from "/third_party/node_modules/typescript/lib/lib.es2020.symbol.wellknown.d.ts!string";
-import libEs5Dts from "/third_party/node_modules/typescript/lib/lib.es5.d.ts!string";
-import libEsnextArrayDts from "/third_party/node_modules/typescript/lib/lib.esnext.array.d.ts!string";
-import libEsnextAsynciterablesDts from "/third_party/node_modules/typescript/lib/lib.esnext.asynciterable.d.ts!string";
-import libEsnextBigintDts from "/third_party/node_modules/typescript/lib/lib.esnext.bigint.d.ts!string";
-import libEsnextDts from "/third_party/node_modules/typescript/lib/lib.esnext.d.ts!string";
-import libEsnextIntlDts from "/third_party/node_modules/typescript/lib/lib.esnext.intl.d.ts!string";
-import libEsnextSymbolDts from "/third_party/node_modules/typescript/lib/lib.esnext.symbol.d.ts!string";
-
-// Default static libraries for all compile jobs
-const defaultAssets: { [key: string]: string } = {
-  "lib.es2015.collection.d.ts": libEs2015CollectionDts,
-  "lib.es2015.core.d.ts": libEs2015CoreDts,
-  "lib.es2015.d.ts": libEs2015Dts,
-  "lib.es2015.generator.d.ts": libEs2015GeneratorDts,
-  "lib.es2015.iterable.d.ts": libEs2015IterableDts,
-  "lib.es2015.promise.d.ts": libEs2015PromiseDts,
-  "lib.es2015.proxy.d.ts": libEs2015ProxyDts,
-  "lib.es2015.reflect.d.ts": libEs2015ReflectDts,
-  "lib.es2015.symbol.d.ts": libEs2015SymbolDts,
-  "lib.es2015.symbol.wellknown.d.ts": libEs2015SymbolWellknownDts,
-  "lib.es2016.array.include.d.ts": libEs2016ArrayIncludeDts,
-  "lib.es2016.d.ts": libEs2016Dts,
-  "lib.es2017.d.ts": libEs2017Dts,
-  "lib.es2017.intl.d.ts": libEs2017IntlDts,
-  "lib.es2017.object.d.ts": libEs2017ObjectDts,
-  "lib.es2017.sharedmemory.d.ts": libEs2017SharedmemoryDts,
-  "lib.es2017.string.d.ts": libEs2017StringDts,
-  "lib.es2017.typedarrays.d.ts": libEs2017TypedarraysDts,
-  "lib.es2018.d.ts": libEs2018Dts,
-  "lib.es2018.asynciterable.d.ts": libEs2018AsyncIterableDts,
-  "lib.es2018.intl.d.ts": libEs2018IntlDts,
-  "lib.es2018.promise.d.ts": libEs2018PromiseDts,
-  "lib.es2018.regexp.d.ts": libEs2018RegexpDts,
-  "lib.es2019.d.ts": libEs2019Dts,
-  "lib.es2019.array.d.ts": libEs2019ArrayDts,
-  "lib.es2019.object.d.ts": libEs2019ObjectDts,
-  "lib.es2019.string.d.ts": libEs2019StringDts,
-  "lib.es2019.symbol.d.ts": libEs2019SymbolDts,
-  "lib.es2020.d.ts": libEs2020Dts,
-  "lib.es2020.string.d.ts": libEs2020String,
-  "lib.es2020.symbol.wellknown.d.ts": libEs2020SymbolWellknownDts,
-  "lib.es5.d.ts": libEs5Dts,
-  "lib.esnext.d.ts": libEsnextDts,
-  "lib.esnext.array.d.ts": libEsnextArrayDts,
-  "lib.esnext.asynciterable.d.ts": libEsnextAsynciterablesDts,
-  "lib.esnext.bigint.d.ts": libEsnextBigintDts,
-  "lib.esnext.intl.d.ts": libEsnextIntlDts,
-  "lib.esnext.symbol.d.ts": libEsnextSymbolDts
-};
-
-// assests for normal compile jobs
-// @internal
-export const assetSourceCode: { [key: string]: string } = {
-  // Generated library
-  "lib.deno_runtime.d.ts": libDts,
-  ...defaultAssets
-};
diff --git a/js/compiler.ts b/js/compiler.ts
index e10dc50db..71b1b06c9 100644
--- a/js/compiler.ts
+++ b/js/compiler.ts
@@ -1,6 +1,5 @@
 // Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
 import * as ts from "typescript";
-import { assetSourceCode } from "./assets";
 import { bold, cyan, yellow } from "./colors";
 import { Console } from "./console";
 import { core } from "./core";
@@ -128,6 +127,10 @@ interface EmitResult {
   diagnostics?: Diagnostic;
 }
 
+function fetchAsset(name: string): string {
+  return sendSync(dispatch.OP_FETCH_ASSET, { name });
+}
+
 /** Ops to Rust to resolve and fetch a modules meta data. */
 function fetchSourceFile(specifier: string, referrer: string): SourceFile {
   util.log("compiler.fetchSourceFile", { specifier, referrer });
@@ -222,8 +225,7 @@ class Host implements ts.CompilerHost {
       const assetName = moduleName.includes(".")
         ? moduleName
         : `${moduleName}.d.ts`;
-      assert(assetName in assetSourceCode, `No such asset "${assetName}"`);
-      const sourceCode = assetSourceCode[assetName];
+      const sourceCode = fetchAsset(assetName);
       const sourceFile = {
         moduleName,
         filename: specifier,
diff --git a/js/dispatch.ts b/js/dispatch.ts
index dfa276cda..af91a9b9e 100644
--- a/js/dispatch.ts
+++ b/js/dispatch.ts
@@ -59,6 +59,7 @@ export const OP_READ_LINK = 53;
 export const OP_TRUNCATE = 54;
 export const OP_MAKE_TEMP_DIR = 55;
 export const OP_CWD = 56;
+export const OP_FETCH_ASSET = 57;
 
 export function asyncMsgFromRust(opId: number, ui8: Uint8Array): void {
   switch (opId) {
diff --git a/js/globals.ts b/js/globals.ts
index 93495ff18..b47cd80f3 100644
--- a/js/globals.ts
+++ b/js/globals.ts
@@ -37,9 +37,6 @@ import { core } from "./core";
 // file are tracked and created as part of default library that is built into
 // Deno, we only need to declare the enough to compile Deno.
 declare global {
-  const console: consoleTypes.Console;
-  const setTimeout: typeof timers.setTimeout;
-
   interface CallSite {
     getThis(): unknown;
     getTypeName(): string;
diff --git a/js/lib.deno_runtime.d.ts b/js/lib.deno_runtime.d.ts
new file mode 100644
index 000000000..bbdc1fcb9
--- /dev/null
+++ b/js/lib.deno_runtime.d.ts
@@ -0,0 +1,2771 @@
+// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+
+/* eslint-disable @typescript-eslint/no-explicit-any */
+/* eslint-disable @typescript-eslint/no-empty-interface */
+
+/// <reference no-default-lib="true" />
+/// <reference lib="esnext" />
+
+declare namespace Deno {
+  // @url js/os.d.ts
+
+  /** The current process id of the runtime. */
+  export let pid: number;
+  /** Reflects the NO_COLOR environment variable: https://no-color.org/ */
+  export let noColor: boolean;
+  /** Check if running in terminal.
+   *
+   *       console.log(Deno.isTTY().stdout);
+   */
+  export function isTTY(): {
+    stdin: boolean;
+    stdout: boolean;
+    stderr: boolean;
+  };
+  /** Exit the Deno process with optional exit code. */
+  export function exit(code?: number): never;
+  /** Returns a snapshot of the environment variables at invocation. Mutating a
+   * property in the object will set that variable in the environment for
+   * the process. The environment object will only accept `string`s
+   * as values.
+   *
+   *       const myEnv = Deno.env();
+   *       console.log(myEnv.SHELL);
+   *       myEnv.TEST_VAR = "HELLO";
+   *       const newEnv = Deno.env();
+   *       console.log(myEnv.TEST_VAR == newEnv.TEST_VAR);
+   */
+  export function env(): {
+    [index: string]: string;
+  };
+  /**
+   * Returns the current user's home directory.
+   * Requires the `--allow-env` flag.
+   */
+  export function homeDir(): string;
+  /**
+   * Returns the path to the current deno executable.
+   * Requires the `--allow-env` flag.
+   */
+  export function execPath(): string;
+
+  // @url js/dir.d.ts
+
+  /**
+   * `cwd()` Return a string representing the current working directory.
+   * If the current directory can be reached via multiple paths
+   * (due to symbolic links), `cwd()` may return
+   * any one of them.
+   * throws `NotFound` exception if directory not available
+   */
+  export function cwd(): string;
+  /**
+   * `chdir()` Change the current working directory to path.
+   * throws `NotFound` exception if directory not available
+   */
+  export function chdir(directory: string): void;
+
+  // @url js/io.d.ts
+
+  export const EOF: null;
+  export type EOF = null;
+  export enum SeekMode {
+    SEEK_START = 0,
+    SEEK_CURRENT = 1,
+    SEEK_END = 2
+  }
+  export interface Reader {
+    /** Reads up to p.byteLength bytes into `p`. It resolves to the number
+     * of bytes read (`0` < `n` <= `p.byteLength`) and rejects if any error encountered.
+     * Even if `read()` returns `n` < `p.byteLength`, it may use all of `p` as
+     * scratch space during the call. If some data is available but not
+     * `p.byteLength` bytes, `read()` conventionally returns what is available
+     * instead of waiting for more.
+     *
+     * When `read()` encounters end-of-file condition, it returns EOF symbol.
+     *
+     * When `read()` encounters an error, it rejects with an error.
+     *
+     * Callers should always process the `n` > `0` bytes returned before
+     * considering the EOF. Doing so correctly handles I/O errors that happen
+     * after reading some bytes and also both of the allowed EOF behaviors.
+     *
+     * Implementations must not retain `p`.
+     */
+    read(p: Uint8Array): Promise<number | EOF>;
+  }
+  export interface SyncReader {
+    readSync(p: Uint8Array): number | EOF;
+  }
+  export interface Writer {
+    /** Writes `p.byteLength` bytes from `p` to the underlying data
+     * stream. It resolves to the number of bytes written from `p` (`0` <= `n` <=
+     * `p.byteLength`) and any error encountered that caused the write to stop
+     * early. `write()` must return a non-null error if it returns `n` <
+     * `p.byteLength`. write() must not modify the slice data, even temporarily.
+     *
+     * Implementations must not retain `p`.
+     */
+    write(p: Uint8Array): Promise<number>;
+  }
+  export interface SyncWriter {
+    writeSync(p: Uint8Array): number;
+  }
+  export interface Closer {
+    close(): void;
+  }
+  export interface Seeker {
+    /** Seek sets the offset for the next `read()` or `write()` to offset,
+     * interpreted according to `whence`: `SeekStart` means relative to the start
+     * of the file, `SeekCurrent` means relative to the current offset, and
+     * `SeekEnd` means relative to the end. Seek returns the new offset relative
+     * to the start of the file and an error, if any.
+     *
+     * Seeking to an offset before the start of the file is an error. Seeking to
+     * any positive offset is legal, but the behavior of subsequent I/O operations
+     * on the underlying object is implementation-dependent.
+     */
+    seek(offset: number, whence: SeekMode): Promise<void>;
+  }
+  export interface SyncSeeker {
+    seekSync(offset: number, whence: SeekMode): void;
+  }
+  export interface ReadCloser extends Reader, Closer {}
+  export interface WriteCloser extends Writer, Closer {}
+  export interface ReadSeeker extends Reader, Seeker {}
+  export interface WriteSeeker extends Writer, Seeker {}
+  export interface ReadWriteCloser extends Reader, Writer, Closer {}
+  export interface ReadWriteSeeker extends Reader, Writer, Seeker {}
+  /** Copies from `src` to `dst` until either `EOF` is reached on `src`
+   * or an error occurs. It returns the number of bytes copied and the first
+   * error encountered while copying, if any.
+   *
+   * Because `copy()` is defined to read from `src` until `EOF`, it does not
+   * treat an `EOF` from `read()` as an error to be reported.
+   */
+  export function copy(dst: Writer, src: Reader): Promise<number>;
+  /** Turns `r` into async iterator.
+   *
+   *      for await (const chunk of toAsyncIterator(reader)) {
+   *          console.log(chunk)
+   *      }
+   */
+  export function toAsyncIterator(r: Reader): AsyncIterableIterator<Uint8Array>;
+
+  // @url js/files.d.ts
+
+  /** Open a file and return an instance of the `File` object
+   *  synchronously.
+   *
+   *       const file = Deno.openSync("/foo/bar.txt");
+   */
+  export function openSync(filename: string, mode?: OpenMode): File;
+  /** Open a file and return an instance of the `File` object.
+   *
+   *       (async () => {
+   *         const file = await Deno.open("/foo/bar.txt");
+   *       })();
+   */
+  export function open(filename: string, mode?: OpenMode): Promise<File>;
+  /** Read synchronously from a file ID into an array buffer.
+   *
+   * Return `number | EOF` for the operation.
+   *
+   *      const file = Deno.openSync("/foo/bar.txt");
+   *      const buf = new Uint8Array(100);
+   *      const nread = Deno.readSync(file.rid, buf);
+   *      const text = new TextDecoder().decode(buf);
+   *
+   */
+  export function readSync(rid: number, p: Uint8Array): number | EOF;
+  /** Read from a file ID into an array buffer.
+   *
+   * Resolves with the `number | EOF` for the operation.
+   *
+   *       (async () => {
+   *         const file = await Deno.open("/foo/bar.txt");
+   *         const buf = new Uint8Array(100);
+   *         const nread = await Deno.read(file.rid, buf);
+   *         const text = new TextDecoder().decode(buf);
+   *       })();
+   */
+  export function read(rid: number, p: Uint8Array): Promise<number | EOF>;
+  /** Write synchronously to the file ID the contents of the array buffer.
+   *
+   * Resolves with the number of bytes written.
+   *
+   *       const encoder = new TextEncoder();
+   *       const data = encoder.encode("Hello world\n");
+   *       const file = Deno.openSync("/foo/bar.txt");
+   *       Deno.writeSync(file.rid, data);
+   */
+  export function writeSync(rid: number, p: Uint8Array): number;
+  /** Write to the file ID the contents of the array buffer.
+   *
+   * Resolves with the number of bytes written.
+   *
+   *      (async () => {
+   *        const encoder = new TextEncoder();
+   *        const data = encoder.encode("Hello world\n");
+   *        const file = await Deno.open("/foo/bar.txt");
+   *        await Deno.write(file.rid, data);
+   *      })();
+   *
+   */
+  export function write(rid: number, p: Uint8Array): Promise<number>;
+  /** Seek a file ID synchronously to the given offset under mode given by `whence`.
+   *
+   *       const file = Deno.openSync("/foo/bar.txt");
+   *       Deno.seekSync(file.rid, 0, 0);
+   */
+  export function seekSync(rid: number, offset: number, whence: SeekMode): void;
+  /** Seek a file ID to the given offset under mode given by `whence`.
+   *
+   *      (async () => {
+   *        const file = await Deno.open("/foo/bar.txt");
+   *        await Deno.seek(file.rid, 0, 0);
+   *      })();
+   */
+  export function seek(
+    rid: number,
+    offset: number,
+    whence: SeekMode
+  ): Promise<void>;
+  /** Close the file ID. */
+  export function close(rid: number): void;
+  /** The Deno abstraction for reading and writing files. */
+  export class File
+    implements
+      Reader,
+      SyncReader,
+      Writer,
+      SyncWriter,
+      Seeker,
+      SyncSeeker,
+      Closer {
+    readonly rid: number;
+    constructor(rid: number);
+    write(p: Uint8Array): Promise<number>;
+    writeSync(p: Uint8Array): number;
+    read(p: Uint8Array): Promise<number | EOF>;
+    readSync(p: Uint8Array): number | EOF;
+    seek(offset: number, whence: SeekMode): Promise<void>;
+    seekSync(offset: number, whence: SeekMode): void;
+    close(): void;
+  }
+  /** An instance of `File` for stdin. */
+  export const stdin: File;
+  /** An instance of `File` for stdout. */
+  export const stdout: File;
+  /** An instance of `File` for stderr. */
+  export const stderr: File;
+  export type OpenMode =
+    | "r"
+    /** Read-write. Start at beginning of file. */
+    | "r+"
+    /** Write-only. Opens and truncates existing file or creates new one for
+     * writing only.
+     */
+    | "w"
+    /** Read-write. Opens and truncates existing file or creates new one for
+     * writing and reading.
+     */
+    | "w+"
+    /** Write-only. Opens existing file or creates new one. Each write appends
+     * content to the end of file.
+     */
+    | "a"
+    /** Read-write. Behaves like "a" and allows to read from file. */
+    | "a+"
+    /** Write-only. Exclusive create - creates new file only if one doesn't exist
+     * already.
+     */
+    | "x"
+    /** Read-write. Behaves like `x` and allows to read from file. */
+    | "x+";
+
+  // @url js/buffer.d.ts
+
+  /** A Buffer is a variable-sized buffer of bytes with read() and write()
+   * methods. Based on https://golang.org/pkg/bytes/#Buffer
+   */
+  export class Buffer implements Reader, SyncReader, Writer, SyncWriter {
+    private buf;
+    private off;
+    constructor(ab?: ArrayBuffer);
+    /** bytes() returns a slice holding the unread portion of the buffer.
+     * The slice is valid for use only until the next buffer modification (that
+     * is, only until the next call to a method like read(), write(), reset(), or
+     * truncate()). The slice aliases the buffer content at least until the next
+     * buffer modification, so immediate changes to the slice will affect the
+     * result of future reads.
+     */
+    bytes(): Uint8Array;
+    /** toString() returns the contents of the unread portion of the buffer
+     * as a string. Warning - if multibyte characters are present when data is
+     * flowing through the buffer, this method may result in incorrect strings
+     * due to a character being split.
+     */
+    toString(): string;
+    /** empty() returns whether the unread portion of the buffer is empty. */
+    empty(): boolean;
+    /** length is a getter that returns the number of bytes of the unread
+     * portion of the buffer
+     */
+    readonly length: number;
+    /** Returns the capacity of the buffer's underlying byte slice, that is,
+     * the total space allocated for the buffer's data.
+     */
+    readonly capacity: number;
+    /** truncate() discards all but the first n unread bytes from the buffer but
+     * continues to use the same allocated storage.  It throws if n is negative or
+     * greater than the length of the buffer.
+     */
+    truncate(n: number): void;
+    /** reset() resets the buffer to be empty, but it retains the underlying
+     * storage for use by future writes. reset() is the same as truncate(0)
+     */
+    reset(): void;
+    /** _tryGrowByReslice() is a version of grow for the fast-case
+     * where the internal buffer only needs to be resliced. It returns the index
+     * where bytes should be written and whether it succeeded.
+     * It returns -1 if a reslice was not needed.
+     */
+    private _tryGrowByReslice;
+    private _reslice;
+    /** readSync() reads the next len(p) bytes from the buffer or until the buffer
+     * is drained. The return value n is the number of bytes read. If the
+     * buffer has no data to return, eof in the response will be true.
+     */
+    readSync(p: Uint8Array): number | EOF;
+    read(p: Uint8Array): Promise<number | EOF>;
+    writeSync(p: Uint8Array): number;
+    write(p: Uint8Array): Promise<number>;
+    /** _grow() grows the buffer to guarantee space for n more bytes.
+     * It returns the index where bytes should be written.
+     * If the buffer can't grow it will throw with ErrTooLarge.
+     */
+    private _grow;
+    /** grow() grows the buffer's capacity, if necessary, to guarantee space for
+     * another n bytes. After grow(n), at least n bytes can be written to the
+     * buffer without another allocation. If n is negative, grow() will panic. If
+     * the buffer can't grow it will throw ErrTooLarge.
+     * Based on https://golang.org/pkg/bytes/#Buffer.Grow
+     */
+    grow(n: number): void;
+    /** readFrom() reads data from r until EOF and appends it to the buffer,
+     * growing the buffer as needed. It returns the number of bytes read. If the
+     * buffer becomes too large, readFrom will panic with ErrTooLarge.
+     * Based on https://golang.org/pkg/bytes/#Buffer.ReadFrom
+     */
+    readFrom(r: Reader): Promise<number>;
+    /** Sync version of `readFrom`
+     */
+    readFromSync(r: SyncReader): number;
+  }
+  /** Read `r` until EOF and return the content as `Uint8Array`.
+   */
+  export function readAll(r: Reader): Promise<Uint8Array>;
+  /** Read synchronously `r` until EOF and return the content as `Uint8Array`.
+   */
+  export function readAllSync(r: SyncReader): Uint8Array;
+  /** Write all the content of `arr` to `w`.
+   */
+  export function writeAll(w: Writer, arr: Uint8Array): Promise<void>;
+  /** Write synchronously all the content of `arr` to `w`.
+   */
+  export function writeAllSync(w: SyncWriter, arr: Uint8Array): void;
+
+  // @url js/mkdir.d.ts
+
+  /** Creates a new directory with the specified path synchronously.
+   * If `recursive` is set to true, nested directories will be created (also known
+   * as "mkdir -p").
+   * `mode` sets permission bits (before umask) on UNIX and does nothing on
+   * Windows.
+   *
+   *       Deno.mkdirSync("new_dir");
+   *       Deno.mkdirSync("nested/directories", true);
+   */
+  export function mkdirSync(
+    path: string,
+    recursive?: boolean,
+    mode?: number
+  ): void;
+  /** Creates a new directory with the specified path.
+   * If `recursive` is set to true, nested directories will be created (also known
+   * as "mkdir -p").
+   * `mode` sets permission bits (before umask) on UNIX and does nothing on
+   * Windows.
+   *
+   *       await Deno.mkdir("new_dir");
+   *       await Deno.mkdir("nested/directories", true);
+   */
+  export function mkdir(
+    path: string,
+    recursive?: boolean,
+    mode?: number
+  ): Promise<void>;
+
+  // @url js/make_temp_dir.d.ts
+
+  export interface MakeTempDirOptions {
+    dir?: string;
+    prefix?: string;
+    suffix?: string;
+  }
+  /** makeTempDirSync is the synchronous version of `makeTempDir`.
+   *
+   *       const tempDirName0 = Deno.makeTempDirSync();
+   *       const tempDirName1 = Deno.makeTempDirSync({ prefix: 'my_temp' });
+   */
+  export function makeTempDirSync(options?: MakeTempDirOptions): string;
+  /** makeTempDir creates a new temporary directory in the directory `dir`, its
+   * name beginning with `prefix` and ending with `suffix`.
+   * It returns the full path to the newly created directory.
+   * If `dir` is unspecified, tempDir uses the default directory for temporary
+   * files. Multiple programs calling tempDir simultaneously will not choose the
+   * same directory. It is the caller's responsibility to remove the directory
+   * when no longer needed.
+   *
+   *       const tempDirName0 = await Deno.makeTempDir();
+   *       const tempDirName1 = await Deno.makeTempDir({ prefix: 'my_temp' });
+   */
+  export function makeTempDir(options?: MakeTempDirOptions): Promise<string>;
+
+  // @url js/chmod.d.ts
+
+  /** Changes the permission of a specific file/directory of specified path
+   * synchronously.
+   *
+   *       Deno.chmodSync("/path/to/file", 0o666);
+   */
+  export function chmodSync(path: string, mode: number): void;
+  /** Changes the permission of a specific file/directory of specified path.
+   *
+   *       await Deno.chmod("/path/to/file", 0o666);
+   */
+  export function chmod(path: string, mode: number): Promise<void>;
+
+  // @url js/chown.d.ts
+
+  /**
+   * Change owner of a regular file or directory synchronously. Unix only at the moment.
+   * @param path path to the file
+   * @param uid user id of the new owner
+   * @param gid group id of the new owner
+   */
+  export function chownSync(path: string, uid: number, gid: number): void;
+  /**
+   * Change owner of a regular file or directory asynchronously. Unix only at the moment.
+   * @param path path to the file
+   * @param uid user id of the new owner
+   * @param gid group id of the new owner
+   */
+  export function chown(path: string, uid: number, gid: number): Promise<void>;
+
+  // @url js/utime.d.ts
+
+  /** Synchronously changes the access and modification times of a file system
+   * object referenced by `filename`. Given times are either in seconds
+   * (Unix epoch time) or as `Date` objects.
+   *
+   *       Deno.utimeSync("myfile.txt", 1556495550, new Date());
+   */
+  export function utimeSync(
+    filename: string,
+    atime: number | Date,
+    mtime: number | Date
+  ): void;
+  /** Changes the access and modification times of a file system object
+   * referenced by `filename`. Given times are either in seconds
+   * (Unix epoch time) or as `Date` objects.
+   *
+   *       await Deno.utime("myfile.txt", 1556495550, new Date());
+   */
+  export function utime(
+    filename: string,
+    atime: number | Date,
+    mtime: number | Date
+  ): Promise<void>;
+
+  // @url js/remove.d.ts
+
+  export interface RemoveOption {
+    recursive?: boolean;
+  }
+  /** Removes the named file or directory synchronously. Would throw
+   * error if permission denied, not found, or directory not empty if `recursive`
+   * set to false.
+   * `recursive` is set to false by default.
+   *
+   *       Deno.removeSync("/path/to/dir/or/file", {recursive: false});
+   */
+  export function removeSync(path: string, options?: RemoveOption): void;
+  /** Removes the named file or directory. Would throw error if
+   * permission denied, not found, or directory not empty if `recursive` set
+   * to false.
+   * `recursive` is set to false by default.
+   *
+   *       await Deno.remove("/path/to/dir/or/file", {recursive: false});
+   */
+  export function remove(path: string, options?: RemoveOption): Promise<void>;
+
+  // @url js/rename.d.ts
+
+  /** Synchronously renames (moves) `oldpath` to `newpath`. If `newpath` already
+   * exists and is not a directory, `renameSync()` replaces it. OS-specific
+   * restrictions may apply when `oldpath` and `newpath` are in different
+   * directories.
+   *
+   *       Deno.renameSync("old/path", "new/path");
+   */
+  export function renameSync(oldpath: string, newpath: string): void;
+  /** Renames (moves) `oldpath` to `newpath`. If `newpath` already exists and is
+   * not a directory, `rename()` replaces it. OS-specific restrictions may apply
+   * when `oldpath` and `newpath` are in different directories.
+   *
+   *       await Deno.rename("old/path", "new/path");
+   */
+  export function rename(oldpath: string, newpath: string): Promise<void>;
+
+  // @url js/read_file.d.ts
+
+  /** Read the entire contents of a file synchronously.
+   *
+   *       const decoder = new TextDecoder("utf-8");
+   *       const data = Deno.readFileSync("hello.txt");
+   *       console.log(decoder.decode(data));
+   */
+  export function readFileSync(filename: string): Uint8Array;
+  /** Read the entire contents of a file.
+   *
+   *       const decoder = new TextDecoder("utf-8");
+   *       const data = await Deno.readFile("hello.txt");
+   *       console.log(decoder.decode(data));
+   */
+  export function readFile(filename: string): Promise<Uint8Array>;
+
+  // @url js/file_info.d.ts
+
+  /** A FileInfo describes a file and is returned by `stat`, `lstat`,
+   * `statSync`, `lstatSync`.
+   */
+  export interface FileInfo {
+    /** The size of the file, in bytes. */
+    len: number;
+    /** The last modification time of the file. This corresponds to the `mtime`
+     * field from `stat` on Unix and `ftLastWriteTime` on Windows. This may not
+     * be available on all platforms.
+     */
+    modified: number | null;
+    /** The last access time of the file. This corresponds to the `atime`
+     * field from `stat` on Unix and `ftLastAccessTime` on Windows. This may not
+     * be available on all platforms.
+     */
+    accessed: number | null;
+    /** The last access time of the file. This corresponds to the `birthtime`
+     * field from `stat` on Unix and `ftCreationTime` on Windows. This may not
+     * be available on all platforms.
+     */
+    created: number | null;
+    /** The underlying raw st_mode bits that contain the standard Unix permissions
+     * for this file/directory. TODO Match behavior with Go on windows for mode.
+     */
+    mode: number | null;
+    /** The file or directory name. */
+    name: string | null;
+    /** Returns whether this is info for a regular file. This result is mutually
+     * exclusive to `FileInfo.isDirectory` and `FileInfo.isSymlink`.
+     */
+    isFile(): boolean;
+    /** Returns whether this is info for a regular directory. This result is
+     * mutually exclusive to `FileInfo.isFile` and `FileInfo.isSymlink`.
+     */
+    isDirectory(): boolean;
+    /** Returns whether this is info for a symlink. This result is
+     * mutually exclusive to `FileInfo.isFile` and `FileInfo.isDirectory`.
+     */
+    isSymlink(): boolean;
+  }
+
+  // @url js/read_dir.d.ts
+
+  /** Reads the directory given by path and returns a list of file info
+   * synchronously.
+   *
+   *       const files = Deno.readDirSync("/");
+   */
+  export function readDirSync(path: string): FileInfo[];
+  /** Reads the directory given by path and returns a list of file info.
+   *
+   *       const files = await Deno.readDir("/");
+   */
+  export function readDir(path: string): Promise<FileInfo[]>;
+
+  // @url js/copy_file.d.ts
+
+  /** Copies the contents of a file to another by name synchronously.
+   * Creates a new file if target does not exists, and if target exists,
+   * overwrites original content of the target file.
+   *
+   * It would also copy the permission of the original file
+   * to the destination.
+   *
+   *       Deno.copyFileSync("from.txt", "to.txt");
+   */
+  export function copyFileSync(from: string, to: string): void;
+  /** Copies the contents of a file to another by name.
+   *
+   * Creates a new file if target does not exists, and if target exists,
+   * overwrites original content of the target file.
+   *
+   * It would also copy the permission of the original file
+   * to the destination.
+   *
+   *       await Deno.copyFile("from.txt", "to.txt");
+   */
+  export function copyFile(from: string, to: string): Promise<void>;
+
+  // @url js/read_link.d.ts
+
+  /** Returns the destination of the named symbolic link synchronously.
+   *
+   *       const targetPath = Deno.readlinkSync("symlink/path");
+   */
+  export function readlinkSync(name: string): string;
+  /** Returns the destination of the named symbolic link.
+   *
+   *       const targetPath = await Deno.readlink("symlink/path");
+   */
+  export function readlink(name: string): Promise<string>;
+
+  // @url js/stat.d.ts
+
+  interface StatResponse {
+    isFile: boolean;
+    isSymlink: boolean;
+    len: number;
+    modified: number;
+    accessed: number;
+    created: number;
+    mode: number;
+    hasMode: boolean;
+    name: string | null;
+  }
+  /** Queries the file system for information on the path provided. If the given
+   * path is a symlink information about the symlink will be returned.
+   *
+   *       const fileInfo = await Deno.lstat("hello.txt");
+   *       assert(fileInfo.isFile());
+   */
+  export function lstat(filename: string): Promise<FileInfo>;
+  /** Queries the file system for information on the path provided synchronously.
+   * If the given path is a symlink information about the symlink will be
+   * returned.
+   *
+   *       const fileInfo = Deno.lstatSync("hello.txt");
+   *       assert(fileInfo.isFile());
+   */
+  export function lstatSync(filename: string): FileInfo;
+  /** Queries the file system for information on the path provided. `stat` Will
+   * always follow symlinks.
+   *
+   *       const fileInfo = await Deno.stat("hello.txt");
+   *       assert(fileInfo.isFile());
+   */
+  export function stat(filename: string): Promise<FileInfo>;
+  /** Queries the file system for information on the path provided synchronously.
+   * `statSync` Will always follow symlinks.
+   *
+   *       const fileInfo = Deno.statSync("hello.txt");
+   *       assert(fileInfo.isFile());
+   */
+  export function statSync(filename: string): FileInfo;
+
+  // @url js/link.d.ts
+
+  /** Synchronously creates `newname` as a hard link to `oldname`.
+   *
+   *       Deno.linkSync("old/name", "new/name");
+   */
+  export function linkSync(oldname: string, newname: string): void;
+  /** Creates `newname` as a hard link to `oldname`.
+   *
+   *       await Deno.link("old/name", "new/name");
+   */
+  export function link(oldname: string, newname: string): Promise<void>;
+
+  // @url js/symlink.d.ts
+
+  /** Synchronously creates `newname` as a symbolic link to `oldname`. The type
+   * argument can be set to `dir` or `file` and is only available on Windows
+   * (ignored on other platforms).
+   *
+   *       Deno.symlinkSync("old/name", "new/name");
+   */
+  export function symlinkSync(
+    oldname: string,
+    newname: string,
+    type?: string
+  ): void;
+  /** Creates `newname` as a symbolic link to `oldname`. The type argument can be
+   * set to `dir` or `file` and is only available on Windows (ignored on other
+   * platforms).
+   *
+   *       await Deno.symlink("old/name", "new/name");
+   */
+  export function symlink(
+    oldname: string,
+    newname: string,
+    type?: string
+  ): Promise<void>;
+
+  // @url js/write_file.d.ts
+
+  /** Options for writing to a file.
+   * `perm` would change the file's permission if set.
+   * `create` decides if the file should be created if not exists (default: true)
+   * `append` decides if the file should be appended (default: false)
+   */
+  export interface WriteFileOptions {
+    perm?: number;
+    create?: boolean;
+    append?: boolean;
+  }
+  /** Write a new file, with given filename and data synchronously.
+   *
+   *       const encoder = new TextEncoder();
+   *       const data = encoder.encode("Hello world\n");
+   *       Deno.writeFileSync("hello.txt", data);
+   */
+  export function writeFileSync(
+    filename: string,
+    data: Uint8Array,
+    options?: WriteFileOptions
+  ): void;
+  /** Write a new file, with given filename and data.
+   *
+   *       const encoder = new TextEncoder();
+   *       const data = encoder.encode("Hello world\n");
+   *       await Deno.writeFile("hello.txt", data);
+   */
+  export function writeFile(
+    filename: string,
+    data: Uint8Array,
+    options?: WriteFileOptions
+  ): Promise<void>;
+
+  // @url js/error_stack.d.ts
+
+  interface Location {
+    /** The full url for the module, e.g. `file://some/file.ts` or
+     * `https://some/file.ts`. */
+    filename: string;
+    /** The line number in the file.  It is assumed to be 1-indexed. */
+    line: number;
+    /** The column number in the file.  It is assumed to be 1-indexed. */
+    column: number;
+  }
+  /** Given a current location in a module, lookup the source location and
+   * return it.
+   *
+   * When Deno transpiles code, it keep source maps of the transpiled code.  This
+   * function can be used to lookup the original location.  This is automatically
+   * done when accessing the `.stack` of an error, or when an uncaught error is
+   * logged.  This function can be used to perform the lookup for creating better
+   * error handling.
+   *
+   * **Note:** `line` and `column` are 1 indexed, which matches display
+   * expectations, but is not typical of most index numbers in Deno.
+   *
+   * An example:
+   *
+   *       const orig = Deno.applySourceMap({
+   *         location: "file://my/module.ts",
+   *         line: 5,
+   *         column: 15
+   *       });
+   *       console.log(`${orig.filename}:${orig.line}:${orig.column}`);
+   *
+   */
+  export function applySourceMap(location: Location): Location;
+
+  // @url js/errors.d.ts
+
+  /** A Deno specific error.  The `kind` property is set to a specific error code
+   * which can be used to in application logic.
+   *
+   *       try {
+   *         somethingThatMightThrow();
+   *       } catch (e) {
+   *         if (
+   *           e instanceof Deno.DenoError &&
+   *           e.kind === Deno.ErrorKind.Overflow
+   *         ) {
+   *           console.error("Overflow error!");
+   *         }
+   *       }
+   *
+   */
+  export class DenoError<T extends ErrorKind> extends Error {
+    readonly kind: T;
+    constructor(kind: T, msg: string);
+  }
+  export enum ErrorKind {
+    NoError = 0,
+    NotFound = 1,
+    PermissionDenied = 2,
+    ConnectionRefused = 3,
+    ConnectionReset = 4,
+    ConnectionAborted = 5,
+    NotConnected = 6,
+    AddrInUse = 7,
+    AddrNotAvailable = 8,
+    BrokenPipe = 9,
+    AlreadyExists = 10,
+    WouldBlock = 11,
+    InvalidInput = 12,
+    InvalidData = 13,
+    TimedOut = 14,
+    Interrupted = 15,
+    WriteZero = 16,
+    Other = 17,
+    UnexpectedEof = 18,
+    BadResource = 19,
+    CommandFailed = 20,
+    EmptyHost = 21,
+    IdnaError = 22,
+    InvalidPort = 23,
+    InvalidIpv4Address = 24,
+    InvalidIpv6Address = 25,
+    InvalidDomainCharacter = 26,
+    RelativeUrlWithoutBase = 27,
+    RelativeUrlWithCannotBeABaseBase = 28,
+    SetHostOnCannotBeABaseUrl = 29,
+    Overflow = 30,
+    HttpUser = 31,
+    HttpClosed = 32,
+    HttpCanceled = 33,
+    HttpParse = 34,
+    HttpOther = 35,
+    TooLarge = 36,
+    InvalidUri = 37,
+    InvalidSeekMode = 38,
+    OpNotAvailable = 39,
+    WorkerInitFailed = 40,
+    UnixError = 41,
+    NoAsyncSupport = 42,
+    NoSyncSupport = 43,
+    ImportMapError = 44,
+    InvalidPath = 45,
+    ImportPrefixMissing = 46,
+    UnsupportedFetchScheme = 47,
+    TooManyRedirects = 48,
+    Diagnostic = 49,
+    JSError = 50
+  }
+
+  // @url js/permissions.d.ts
+
+  /** Permissions as granted by the caller */
+  export interface Permissions {
+    read: boolean;
+    write: boolean;
+    net: boolean;
+    env: boolean;
+    run: boolean;
+    hrtime: boolean;
+  }
+  export type Permission = keyof Permissions;
+  /** Inspect granted permissions for the current program.
+   *
+   *       if (Deno.permissions().read) {
+   *         const file = await Deno.readFile("example.test");
+   *         // ...
+   *       }
+   */
+  export function permissions(): Permissions;
+  /** Revoke a permission. When the permission was already revoked nothing changes
+   *
+   *       if (Deno.permissions().read) {
+   *         const file = await Deno.readFile("example.test");
+   *         Deno.revokePermission('read');
+   *       }
+   *       Deno.readFile("example.test"); // -> error or permission prompt
+   */
+  export function revokePermission(permission: Permission): void;
+
+  // @url js/truncate.d.ts
+
+  /** Truncates or extends the specified file synchronously, updating the size of
+   * this file to become size.
+   *
+   *       Deno.truncateSync("hello.txt", 10);
+   */
+  export function truncateSync(name: string, len?: number): void;
+  /**
+   * Truncates or extends the specified file, updating the size of this file to
+   * become size.
+   *
+   *       await Deno.truncate("hello.txt", 10);
+   */
+  export function truncate(name: string, len?: number): Promise<void>;
+
+  // @url js/net.d.ts
+
+  type Network = "tcp";
+  interface Addr {
+    network: Network;
+    address: string;
+  }
+  /** A Listener is a generic network listener for stream-oriented protocols. */
+  export interface Listener extends AsyncIterator<Conn> {
+    /** Waits for and resolves to the next connection to the `Listener`. */
+    accept(): Promise<Conn>;
+    /** Close closes the listener. Any pending accept promises will be rejected
+     * with errors.
+     */
+    close(): void;
+    /** Return the address of the `Listener`. */
+    addr(): Addr;
+    [Symbol.asyncIterator](): AsyncIterator<Conn>;
+  }
+  export interface Conn extends Reader, Writer, Closer {
+    /** The local address of the connection. */
+    localAddr: string;
+    /** The remote address of the connection. */
+    remoteAddr: string;
+    /** The resource ID of the connection. */
+    rid: number;
+    /** Shuts down (`shutdown(2)`) the reading side of the TCP connection. Most
+     * callers should just use `close()`.
+     */
+    closeRead(): void;
+    /** Shuts down (`shutdown(2)`) the writing side of the TCP connection. Most
+     * callers should just use `close()`.
+     */
+    closeWrite(): void;
+  }
+  /** Listen announces on the local network address.
+   *
+   * The network must be `tcp`, `tcp4`, `tcp6`, `unix` or `unixpacket`.
+   *
+   * For TCP networks, if the host in the address parameter is empty or a literal
+   * unspecified IP address, `listen()` listens on all available unicast and
+   * anycast IP addresses of the local system. To only use IPv4, use network
+   * `tcp4`. The address can use a host name, but this is not recommended,
+   * because it will create a listener for at most one of the host's IP
+   * addresses. If the port in the address parameter is empty or `0`, as in
+   * `127.0.0.1:` or `[::1]:0`, a port number is automatically chosen. The
+   * `addr()` method of `Listener` can be used to discover the chosen port.
+   *
+   * See `dial()` for a description of the network and address parameters.
+   */
+  export function listen(network: Network, address: string): Listener;
+  /** Dial connects to the address on the named network.
+   *
+   * Supported networks are only `tcp` currently.
+   *
+   * TODO: `tcp4` (IPv4-only), `tcp6` (IPv6-only), `udp`, `udp4` (IPv4-only),
+   * `udp6` (IPv6-only), `ip`, `ip4` (IPv4-only), `ip6` (IPv6-only), `unix`,
+   * `unixgram` and `unixpacket`.
+   *
+   * For TCP and UDP networks, the address has the form `host:port`. The host must
+   * be a literal IP address, or a host name that can be resolved to IP addresses.
+   * The port must be a literal port number or a service name. If the host is a
+   * literal IPv6 address it must be enclosed in square brackets, as in
+   * `[2001:db8::1]:80` or `[fe80::1%zone]:80`. The zone specifies the scope of
+   * the literal IPv6 address as defined in RFC 4007. The functions JoinHostPort
+   * and SplitHostPort manipulate a pair of host and port in this form. When using
+   * TCP, and the host resolves to multiple IP addresses, Dial will try each IP
+   * address in order until one succeeds.
+   *
+   * Examples:
+   *
+   *     dial("tcp", "golang.org:http")
+   *     dial("tcp", "192.0.2.1:http")
+   *     dial("tcp", "198.51.100.1:80")
+   *     dial("udp", "[2001:db8::1]:domain")
+   *     dial("udp", "[fe80::1%lo0]:53")
+   *     dial("tcp", ":80")
+   */
+  export function dial(network: Network, address: string): Promise<Conn>;
+  /** **RESERVED** */
+  export function connect(_network: Network, _address: string): Promise<Conn>;
+
+  // @url js/metrics.d.ts
+
+  export interface Metrics {
+    opsDispatched: number;
+    opsCompleted: number;
+    bytesSentControl: number;
+    bytesSentData: number;
+    bytesReceived: number;
+  }
+  /** Receive metrics from the privileged side of Deno.
+   *
+   *      > console.table(Deno.metrics())
+   *      ┌──────────────────┬────────┐
+   *      │     (index)      │ Values │
+   *      ├──────────────────┼────────┤
+   *      │  opsDispatched   │   9    │
+   *      │   opsCompleted   │   9    │
+   *      │ bytesSentControl │  504   │
+   *      │  bytesSentData   │   0    │
+   *      │  bytesReceived   │  856   │
+   *      └──────────────────┴────────┘
+   */
+  export function metrics(): Metrics;
+
+  // @url js/resources.d.ts
+
+  interface ResourceMap {
+    [rid: number]: string;
+  }
+  /** Returns a map of open _file like_ resource ids along with their string
+   * representation.
+   */
+  export function resources(): ResourceMap;
+
+  // @url js/process.d.ts
+
+  /** How to handle subprocess stdio.
+   *
+   * "inherit" The default if unspecified. The child inherits from the
+   * corresponding parent descriptor.
+   *
+   * "piped"  A new pipe should be arranged to connect the parent and child
+   * subprocesses.
+   *
+   * "null" This stream will be ignored. This is the equivalent of attaching the
+   * stream to /dev/null.
+   */
+  type ProcessStdio = "inherit" | "piped" | "null";
+  export interface RunOptions {
+    args: string[];
+    cwd?: string;
+    env?: {
+      [key: string]: string;
+    };
+    stdout?: ProcessStdio | number;
+    stderr?: ProcessStdio | number;
+    stdin?: ProcessStdio | number;
+  }
+  /** Send a signal to process under given PID. Unix only at this moment.
+   * If pid is negative, the signal will be sent to the process group identified
+   * by -pid.
+   * Requires the `--allow-run` flag.
+   */
+  export function kill(pid: number, signo: number): void;
+  export class Process {
+    readonly rid: number;
+    readonly pid: number;
+    readonly stdin?: WriteCloser;
+    readonly stdout?: ReadCloser;
+    readonly stderr?: ReadCloser;
+    status(): Promise<ProcessStatus>;
+    /** Buffer the stdout and return it as Uint8Array after EOF.
+     * You must set stdout to "piped" when creating the process.
+     * This calls close() on stdout after its done.
+     */
+    output(): Promise<Uint8Array>;
+    /** Buffer the stderr and return it as Uint8Array after EOF.
+     * You must set stderr to "piped" when creating the process.
+     * This calls close() on stderr after its done.
+     */
+    stderrOutput(): Promise<Uint8Array>;
+    close(): void;
+    kill(signo: number): void;
+  }
+  export interface ProcessStatus {
+    success: boolean;
+    code?: number;
+    signal?: number;
+  }
+  /**
+   * Spawns new subprocess.
+   *
+   * Subprocess uses same working directory as parent process unless `opt.cwd`
+   * is specified.
+   *
+   * Environmental variables for subprocess can be specified using `opt.env`
+   * mapping.
+   *
+   * By default subprocess inherits stdio of parent process. To change that
+   * `opt.stdout`, `opt.stderr` and `opt.stdin` can be specified independently -
+   * they can be set to either `ProcessStdio` or `rid` of open file.
+   */
+  export function run(opt: RunOptions): Process;
+  enum LinuxSignal {
+    SIGHUP = 1,
+    SIGINT = 2,
+    SIGQUIT = 3,
+    SIGILL = 4,
+    SIGTRAP = 5,
+    SIGABRT = 6,
+    SIGBUS = 7,
+    SIGFPE = 8,
+    SIGKILL = 9,
+    SIGUSR1 = 10,
+    SIGSEGV = 11,
+    SIGUSR2 = 12,
+    SIGPIPE = 13,
+    SIGALRM = 14,
+    SIGTERM = 15,
+    SIGSTKFLT = 16,
+    SIGCHLD = 17,
+    SIGCONT = 18,
+    SIGSTOP = 19,
+    SIGTSTP = 20,
+    SIGTTIN = 21,
+    SIGTTOU = 22,
+    SIGURG = 23,
+    SIGXCPU = 24,
+    SIGXFSZ = 25,
+    SIGVTALRM = 26,
+    SIGPROF = 27,
+    SIGWINCH = 28,
+    SIGIO = 29,
+    SIGPWR = 30,
+    SIGSYS = 31
+  }
+  enum MacOSSignal {
+    SIGHUP = 1,
+    SIGINT = 2,
+    SIGQUIT = 3,
+    SIGILL = 4,
+    SIGTRAP = 5,
+    SIGABRT = 6,
+    SIGEMT = 7,
+    SIGFPE = 8,
+    SIGKILL = 9,
+    SIGBUS = 10,
+    SIGSEGV = 11,
+    SIGSYS = 12,
+    SIGPIPE = 13,
+    SIGALRM = 14,
+    SIGTERM = 15,
+    SIGURG = 16,
+    SIGSTOP = 17,
+    SIGTSTP = 18,
+    SIGCONT = 19,
+    SIGCHLD = 20,
+    SIGTTIN = 21,
+    SIGTTOU = 22,
+    SIGIO = 23,
+    SIGXCPU = 24,
+    SIGXFSZ = 25,
+    SIGVTALRM = 26,
+    SIGPROF = 27,
+    SIGWINCH = 28,
+    SIGINFO = 29,
+    SIGUSR1 = 30,
+    SIGUSR2 = 31
+  }
+  /** Signals numbers. This is platform dependent.
+   */
+  export const Signal: typeof MacOSSignal | typeof LinuxSignal;
+  export {};
+
+  // @url js/console.d.ts
+
+  type ConsoleOptions = Partial<{
+    showHidden: boolean;
+    depth: number;
+    colors: boolean;
+    indentLevel: number;
+  }>;
+  export const isConsoleInstance: unique symbol;
+  /** A symbol which can be used as a key for a custom method which will be called
+   * when `Deno.inspect()` is called, or when the object is logged to the console.
+   */
+  export const customInspect: unique symbol;
+  /**
+   * `inspect()` converts input into string that has the same format
+   * as printed by `console.log(...)`;
+   */
+  export function inspect(value: unknown, options?: ConsoleOptions): string;
+
+  // @url js/build.d.ts
+
+  export type OperatingSystem = "mac" | "win" | "linux";
+  export type Arch = "x64" | "arm64";
+  /** Build related information */
+  interface BuildInfo {
+    /** The CPU architecture. */
+    arch: Arch;
+    /** The operating system. */
+    os: OperatingSystem;
+  }
+  export const build: BuildInfo;
+  export const platform: BuildInfo;
+
+  // @url js/version.d.ts
+
+  interface Version {
+    deno: string;
+    v8: string;
+    typescript: string;
+  }
+  export const version: Version;
+  export {};
+
+  // @url js/deno.d.ts
+
+  export const args: string[];
+}
+
+// @url js/globals.ts
+
+declare interface Window {
+  window: Window;
+  atob: typeof textEncoding.atob;
+  btoa: typeof textEncoding.btoa;
+  fetch: typeof fetchTypes.fetch;
+  clearTimeout: typeof timers.clearTimeout;
+  clearInterval: typeof timers.clearInterval;
+  console: consoleTypes.Console;
+  setTimeout: typeof timers.setTimeout;
+  setInterval: typeof timers.setInterval;
+  location: domTypes.Location;
+  onload: Function | undefined;
+  crypto: Crypto;
+  Blob: typeof blob.DenoBlob;
+  File: domTypes.DomFileConstructor;
+  CustomEventInit: typeof customEvent.CustomEventInit;
+  CustomEvent: typeof customEvent.CustomEvent;
+  EventInit: typeof event.EventInit;
+  Event: typeof event.Event;
+  EventListener: typeof eventTarget.EventListener;
+  EventTarget: typeof eventTarget.EventTarget;
+  URL: typeof url.URL;
+  URLSearchParams: typeof urlSearchParams.URLSearchParams;
+  Headers: domTypes.HeadersConstructor;
+  FormData: domTypes.FormDataConstructor;
+  TextEncoder: typeof textEncoding.TextEncoder;
+  TextDecoder: typeof textEncoding.TextDecoder;
+  Request: domTypes.RequestConstructor;
+  Response: typeof fetchTypes.Response;
+  performance: performanceUtil.Performance;
+  onmessage: (e: { data: any }) => void;
+  workerMain: typeof workers.workerMain;
+  workerClose: typeof workers.workerClose;
+  postMessage: typeof workers.postMessage;
+  Worker: typeof workers.WorkerImpl;
+  addEventListener: (
+    type: string,
+    callback: (event: domTypes.Event) => void | null,
+    options?: boolean | domTypes.AddEventListenerOptions | undefined
+  ) => void;
+  dispatchEvent: (event: domTypes.Event) => boolean;
+  removeEventListener: (
+    type: string,
+    callback: (event: domTypes.Event) => void | null,
+    options?: boolean | domTypes.EventListenerOptions | undefined
+  ) => void;
+  Deno: typeof Deno;
+}
+
+declare const window: Window;
+declare const atob: typeof textEncoding.atob;
+declare const btoa: typeof textEncoding.btoa;
+declare const fetch: typeof fetchTypes.fetch;
+declare const clearTimeout: typeof timers.clearTimeout;
+declare const clearInterval: typeof timers.clearInterval;
+declare const console: consoleTypes.Console;
+declare const setTimeout: typeof timers.setTimeout;
+declare const setInterval: typeof timers.setInterval;
+declare const location: domTypes.Location;
+declare const onload: Function | undefined;
+declare const crypto: Crypto;
+declare const Blob: typeof blob.DenoBlob;
+declare const File: domTypes.DomFileConstructor;
+declare const CustomEventInit: typeof customEvent.CustomEventInit;
+declare const CustomEvent: typeof customEvent.CustomEvent;
+declare const EventInit: typeof event.EventInit;
+declare const Event: typeof event.Event;
+declare const EventListener: typeof eventTarget.EventListener;
+declare const EventTarget: typeof eventTarget.EventTarget;
+declare const URL: typeof url.URL;
+declare const URLSearchParams: typeof urlSearchParams.URLSearchParams;
+declare const Headers: domTypes.HeadersConstructor;
+declare const FormData: domTypes.FormDataConstructor;
+declare const TextEncoder: typeof textEncoding.TextEncoder;
+declare const TextDecoder: typeof textEncoding.TextDecoder;
+declare const Request: domTypes.RequestConstructor;
+declare const Response: typeof fetchTypes.Response;
+declare const performance: performanceUtil.Performance;
+declare let onmessage: (e: { data: any }) => void;
+declare const workerMain: typeof workers.workerMain;
+declare const workerClose: typeof workers.workerClose;
+declare const postMessage: typeof workers.postMessage;
+declare const Worker: typeof workers.WorkerImpl;
+declare const addEventListener: (
+  type: string,
+  callback: (event: domTypes.Event) => void | null,
+  options?: boolean | domTypes.AddEventListenerOptions | undefined
+) => void;
+declare const dispatchEvent: (event: domTypes.Event) => boolean;
+declare const removeEventListener: (
+  type: string,
+  callback: (event: domTypes.Event) => void | null,
+  options?: boolean | domTypes.EventListenerOptions | undefined
+) => void;
+
+declare type Blob = blob.DenoBlob;
+declare type File = domTypes.DomFile;
+declare type CustomEventInit = customEvent.CustomEventInit;
+declare type CustomEvent = customEvent.CustomEvent;
+declare type EventInit = event.EventInit;
+declare type Event = event.Event;
+declare type EventListener = eventTarget.EventListener;
+declare type EventTarget = eventTarget.EventTarget;
+declare type URL = url.URL;
+declare type URLSearchParams = urlSearchParams.URLSearchParams;
+declare type Headers = domTypes.Headers;
+declare type FormData = domTypes.FormData;
+declare type TextEncoder = textEncoding.TextEncoder;
+declare type TextDecoder = textEncoding.TextDecoder;
+declare type Request = domTypes.Request;
+declare type Response = domTypes.Response;
+declare type Worker = workers.Worker;
+
+declare interface ImportMeta {
+  url: string;
+  main: boolean;
+}
+
+declare interface Crypto {
+  readonly subtle: null;
+  getRandomValues: <
+    T extends
+      | Int8Array
+      | Uint8Array
+      | Uint8ClampedArray
+      | Int16Array
+      | Uint16Array
+      | Int32Array
+      | Uint32Array
+  >(
+    typedArray: T
+  ) => T;
+}
+
+declare namespace domTypes {
+  // @url js/dom_types.d.ts
+
+  export type BufferSource = ArrayBufferView | ArrayBuffer;
+  export type HeadersInit =
+    | Headers
+    | Array<[string, string]>
+    | Record<string, string>;
+  export type URLSearchParamsInit =
+    | string
+    | string[][]
+    | Record<string, string>;
+  type BodyInit =
+    | Blob
+    | BufferSource
+    | FormData
+    | URLSearchParams
+    | ReadableStream
+    | string;
+  export type RequestInfo = Request | string;
+  type ReferrerPolicy =
+    | ""
+    | "no-referrer"
+    | "no-referrer-when-downgrade"
+    | "origin-only"
+    | "origin-when-cross-origin"
+    | "unsafe-url";
+  export type BlobPart = BufferSource | Blob | string;
+  export type FormDataEntryValue = DomFile | string;
+  export interface DomIterable<K, V> {
+    keys(): IterableIterator<K>;
+    values(): IterableIterator<V>;
+    entries(): IterableIterator<[K, V]>;
+    [Symbol.iterator](): IterableIterator<[K, V]>;
+    forEach(
+      callback: (value: V, key: K, parent: this) => void,
+      thisArg?: any
+    ): void;
+  }
+  type EndingType = "transparent" | "native";
+  export interface BlobPropertyBag {
+    type?: string;
+    ending?: EndingType;
+  }
+  interface AbortSignalEventMap {
+    abort: ProgressEvent;
+  }
+  export enum NodeType {
+    ELEMENT_NODE = 1,
+    TEXT_NODE = 3,
+    DOCUMENT_FRAGMENT_NODE = 11
+  }
+  export const eventTargetHost: unique symbol;
+  export const eventTargetListeners: unique symbol;
+  export const eventTargetMode: unique symbol;
+  export const eventTargetNodeType: unique symbol;
+  export interface EventTarget {
+    [eventTargetHost]: EventTarget | null;
+    [eventTargetListeners]: { [type in string]: EventListener[] };
+    [eventTargetMode]: string;
+    [eventTargetNodeType]: NodeType;
+    addEventListener(
+      type: string,
+      callback: (event: Event) => void | null,
+      options?: boolean | AddEventListenerOptions
+    ): void;
+    dispatchEvent(event: Event): boolean;
+    removeEventListener(
+      type: string,
+      callback?: (event: Event) => void | null,
+      options?: EventListenerOptions | boolean
+    ): void;
+  }
+  export interface ProgressEventInit extends EventInit {
+    lengthComputable?: boolean;
+    loaded?: number;
+    total?: number;
+  }
+  export interface URLSearchParams {
+    /**
+     * Appends a specified key/value pair as a new search parameter.
+     */
+    append(name: string, value: string): void;
+    /**
+     * Deletes the given search parameter, and its associated value,
+     * from the list of all search parameters.
+     */
+    delete(name: string): void;
+    /**
+     * Returns the first value associated to the given search parameter.
+     */
+    get(name: string): string | null;
+    /**
+     * Returns all the values association with a given search parameter.
+     */
+    getAll(name: string): string[];
+    /**
+     * Returns a Boolean indicating if such a search parameter exists.
+     */
+    has(name: string): boolean;
+    /**
+     * Sets the value associated to a given search parameter to the given value.
+     * If there were several values, delete the others.
+     */
+    set(name: string, value: string): void;
+    /**
+     * Sort all key/value pairs contained in this object in place
+     * and return undefined. The sort order is according to Unicode
+     * code points of the keys.
+     */
+    sort(): void;
+    /**
+     * Returns a query string suitable for use in a URL.
+     */
+    toString(): string;
+    /**
+     * Iterates over each name-value pair in the query
+     * and invokes the given function.
+     */
+    forEach(
+      callbackfn: (value: string, key: string, parent: URLSearchParams) => void,
+      thisArg?: any
+    ): void;
+  }
+  export interface EventListener {
+    handleEvent(event: Event): void;
+    readonly callback: (event: Event) => void | null;
+    readonly options: boolean | AddEventListenerOptions;
+  }
+  export interface EventInit {
+    bubbles?: boolean;
+    cancelable?: boolean;
+    composed?: boolean;
+  }
+  export interface CustomEventInit extends EventInit {
+    detail?: any;
+  }
+  export enum EventPhase {
+    NONE = 0,
+    CAPTURING_PHASE = 1,
+    AT_TARGET = 2,
+    BUBBLING_PHASE = 3
+  }
+  export interface EventPath {
+    item: EventTarget;
+    itemInShadowTree: boolean;
+    relatedTarget: EventTarget | null;
+    rootOfClosedTree: boolean;
+    slotInClosedTree: boolean;
+    target: EventTarget | null;
+    touchTargetList: EventTarget[];
+  }
+  export interface Event {
+    readonly type: string;
+    target: EventTarget | null;
+    currentTarget: EventTarget | null;
+    composedPath(): EventPath[];
+    eventPhase: number;
+    stopPropagation(): void;
+    stopImmediatePropagation(): void;
+    readonly bubbles: boolean;
+    readonly cancelable: boolean;
+    preventDefault(): void;
+    readonly defaultPrevented: boolean;
+    readonly composed: boolean;
+    isTrusted: boolean;
+    readonly timeStamp: Date;
+    dispatched: boolean;
+    readonly initialized: boolean;
+    inPassiveListener: boolean;
+    cancelBubble: boolean;
+    cancelBubbleImmediately: boolean;
+    path: EventPath[];
+    relatedTarget: EventTarget | null;
+  }
+  export interface CustomEvent extends Event {
+    readonly detail: any;
+    initCustomEvent(
+      type: string,
+      bubbles?: boolean,
+      cancelable?: boolean,
+      detail?: any | null
+    ): void;
+  }
+  export interface DomFile extends Blob {
+    readonly lastModified: number;
+    readonly name: string;
+  }
+  export interface DomFileConstructor {
+    new (
+      bits: BlobPart[],
+      filename: string,
+      options?: FilePropertyBag
+    ): DomFile;
+    prototype: DomFile;
+  }
+  export interface FilePropertyBag extends BlobPropertyBag {
+    lastModified?: number;
+  }
+  interface ProgressEvent extends Event {
+    readonly lengthComputable: boolean;
+    readonly loaded: number;
+    readonly total: number;
+  }
+  export interface EventListenerOptions {
+    capture: boolean;
+  }
+  export interface AddEventListenerOptions extends EventListenerOptions {
+    once: boolean;
+    passive: boolean;
+  }
+  interface AbortSignal extends EventTarget {
+    readonly aborted: boolean;
+    onabort: ((this: AbortSignal, ev: ProgressEvent) => any) | null;
+    addEventListener<K extends keyof AbortSignalEventMap>(
+      type: K,
+      listener: (this: AbortSignal, ev: AbortSignalEventMap[K]) => any,
+      options?: boolean | AddEventListenerOptions
+    ): void;
+    addEventListener(
+      type: string,
+      listener: EventListener,
+      options?: boolean | AddEventListenerOptions
+    ): void;
+    removeEventListener<K extends keyof AbortSignalEventMap>(
+      type: K,
+      listener: (this: AbortSignal, ev: AbortSignalEventMap[K]) => any,
+      options?: boolean | EventListenerOptions
+    ): void;
+    removeEventListener(
+      type: string,
+      listener: EventListener,
+      options?: boolean | EventListenerOptions
+    ): void;
+  }
+  export interface ReadableStream {
+    readonly locked: boolean;
+    cancel(): Promise<void>;
+    getReader(): ReadableStreamReader;
+    tee(): [ReadableStream, ReadableStream];
+  }
+  export interface ReadableStreamReader {
+    cancel(): Promise<void>;
+    read(): Promise<any>;
+    releaseLock(): void;
+  }
+  export interface FormData extends DomIterable<string, FormDataEntryValue> {
+    append(name: string, value: string | Blob, fileName?: string): void;
+    delete(name: string): void;
+    get(name: string): FormDataEntryValue | null;
+    getAll(name: string): FormDataEntryValue[];
+    has(name: string): boolean;
+    set(name: string, value: string | Blob, fileName?: string): void;
+  }
+  export interface FormDataConstructor {
+    new (): FormData;
+    prototype: FormData;
+  }
+  /** A blob object represents a file-like object of immutable, raw data. */
+  export interface Blob {
+    /** The size, in bytes, of the data contained in the `Blob` object. */
+    readonly size: number;
+    /** A string indicating the media type of the data contained in the `Blob`.
+     * If the type is unknown, this string is empty.
+     */
+    readonly type: string;
+    /** Returns a new `Blob` object containing the data in the specified range of
+     * bytes of the source `Blob`.
+     */
+    slice(start?: number, end?: number, contentType?: string): Blob;
+  }
+  export interface Body {
+    /** A simple getter used to expose a `ReadableStream` of the body contents. */
+    readonly body: ReadableStream | null;
+    /** Stores a `Boolean` that declares whether the body has been used in a
+     * response yet.
+     */
+    readonly bodyUsed: boolean;
+    /** Takes a `Response` stream and reads it to completion. It returns a promise
+     * that resolves with an `ArrayBuffer`.
+     */
+    arrayBuffer(): Promise<ArrayBuffer>;
+    /** Takes a `Response` stream and reads it to completion. It returns a promise
+     * that resolves with a `Blob`.
+     */
+    blob(): Promise<Blob>;
+    /** Takes a `Response` stream and reads it to completion. It returns a promise
+     * that resolves with a `FormData` object.
+     */
+    formData(): Promise<FormData>;
+    /** Takes a `Response` stream and reads it to completion. It returns a promise
+     * that resolves with the result of parsing the body text as JSON.
+     */
+    json(): Promise<any>;
+    /** Takes a `Response` stream and reads it to completion. It returns a promise
+     * that resolves with a `USVString` (text).
+     */
+    text(): Promise<string>;
+  }
+  export interface Headers extends DomIterable<string, string> {
+    /** Appends a new value onto an existing header inside a `Headers` object, or
+     * adds the header if it does not already exist.
+     */
+    append(name: string, value: string): void;
+    /** Deletes a header from a `Headers` object. */
+    delete(name: string): void;
+    /** Returns an iterator allowing to go through all key/value pairs
+     * contained in this Headers object. The both the key and value of each pairs
+     * are ByteString objects.
+     */
+    entries(): IterableIterator<[string, string]>;
+    /** Returns a `ByteString` sequence of all the values of a header within a
+     * `Headers` object with a given name.
+     */
+    get(name: string): string | null;
+    /** Returns a boolean stating whether a `Headers` object contains a certain
+     * header.
+     */
+    has(name: string): boolean;
+    /** Returns an iterator allowing to go through all keys contained in
+     * this Headers object. The keys are ByteString objects.
+     */
+    keys(): IterableIterator<string>;
+    /** Sets a new value for an existing header inside a Headers object, or adds
+     * the header if it does not already exist.
+     */
+    set(name: string, value: string): void;
+    /** Returns an iterator allowing to go through all values contained in
+     * this Headers object. The values are ByteString objects.
+     */
+    values(): IterableIterator<string>;
+    forEach(
+      callbackfn: (value: string, key: string, parent: this) => void,
+      thisArg?: any
+    ): void;
+    /** The Symbol.iterator well-known symbol specifies the default
+     * iterator for this Headers object
+     */
+    [Symbol.iterator](): IterableIterator<[string, string]>;
+  }
+  export interface HeadersConstructor {
+    new (init?: HeadersInit): Headers;
+    prototype: Headers;
+  }
+  type RequestCache =
+    | "default"
+    | "no-store"
+    | "reload"
+    | "no-cache"
+    | "force-cache"
+    | "only-if-cached";
+  type RequestCredentials = "omit" | "same-origin" | "include";
+  type RequestDestination =
+    | ""
+    | "audio"
+    | "audioworklet"
+    | "document"
+    | "embed"
+    | "font"
+    | "image"
+    | "manifest"
+    | "object"
+    | "paintworklet"
+    | "report"
+    | "script"
+    | "sharedworker"
+    | "style"
+    | "track"
+    | "video"
+    | "worker"
+    | "xslt";
+  type RequestMode = "navigate" | "same-origin" | "no-cors" | "cors";
+  type RequestRedirect = "follow" | "error" | "manual";
+  type ResponseType =
+    | "basic"
+    | "cors"
+    | "default"
+    | "error"
+    | "opaque"
+    | "opaqueredirect";
+  export interface RequestInit {
+    body?: BodyInit | null;
+    cache?: RequestCache;
+    credentials?: RequestCredentials;
+    headers?: HeadersInit;
+    integrity?: string;
+    keepalive?: boolean;
+    method?: string;
+    mode?: RequestMode;
+    redirect?: RequestRedirect;
+    referrer?: string;
+    referrerPolicy?: ReferrerPolicy;
+    signal?: AbortSignal | null;
+    window?: any;
+  }
+  export interface ResponseInit {
+    headers?: HeadersInit;
+    status?: number;
+    statusText?: string;
+  }
+  export interface RequestConstructor {
+    new (input: RequestInfo, init?: RequestInit): Request;
+    prototype: Request;
+  }
+  export interface Request extends Body {
+    /** Returns the cache mode associated with request, which is a string
+     * indicating how the the request will interact with the browser's cache when
+     * fetching.
+     */
+    readonly cache?: RequestCache;
+    /** Returns the credentials mode associated with request, which is a string
+     * indicating whether credentials will be sent with the request always, never,
+     * or only when sent to a same-origin URL.
+     */
+    readonly credentials?: RequestCredentials;
+    /** Returns the kind of resource requested by request, (e.g., `document` or
+     * `script`).
+     */
+    readonly destination?: RequestDestination;
+    /** Returns a Headers object consisting of the headers associated with
+     * request.
+     *
+     * Note that headers added in the network layer by the user agent
+     * will not be accounted for in this object, (e.g., the `Host` header).
+     */
+    readonly headers: Headers;
+    /** Returns request's subresource integrity metadata, which is a cryptographic
+     * hash of the resource being fetched. Its value consists of multiple hashes
+     * separated by whitespace. [SRI]
+     */
+    readonly integrity?: string;
+    /** Returns a boolean indicating whether or not request is for a history
+     * navigation (a.k.a. back-forward navigation).
+     */
+    readonly isHistoryNavigation?: boolean;
+    /** Returns a boolean indicating whether or not request is for a reload
+     * navigation.
+     */
+    readonly isReloadNavigation?: boolean;
+    /** Returns a boolean indicating whether or not request can outlive the global
+     * in which it was created.
+     */
+    readonly keepalive?: boolean;
+    /** Returns request's HTTP method, which is `GET` by default. */
+    readonly method: string;
+    /** Returns the mode associated with request, which is a string indicating
+     * whether the request will use CORS, or will be restricted to same-origin
+     * URLs.
+     */
+    readonly mode?: RequestMode;
+    /** Returns the redirect mode associated with request, which is a string
+     * indicating how redirects for the request will be handled during fetching.
+     *
+     * A request will follow redirects by default.
+     */
+    readonly redirect?: RequestRedirect;
+    /** Returns the referrer of request. Its value can be a same-origin URL if
+     * explicitly set in init, the empty string to indicate no referrer, and
+     * `about:client` when defaulting to the global's default.
+     *
+     * This is used during fetching to determine the value of the `Referer`
+     * header of the request being made.
+     */
+    readonly referrer?: string;
+    /** Returns the referrer policy associated with request. This is used during
+     * fetching to compute the value of the request's referrer.
+     */
+    readonly referrerPolicy?: ReferrerPolicy;
+    /** Returns the signal associated with request, which is an AbortSignal object
+     * indicating whether or not request has been aborted, and its abort event
+     * handler.
+     */
+    readonly signal?: AbortSignal;
+    /** Returns the URL of request as a string. */
+    readonly url: string;
+    clone(): Request;
+  }
+  export interface Response extends Body {
+    /** Contains the `Headers` object associated with the response. */
+    readonly headers: Headers;
+    /** Contains a boolean stating whether the response was successful (status in
+     * the range 200-299) or not.
+     */
+    readonly ok: boolean;
+    /** Indicates whether or not the response is the result of a redirect; that
+     * is, its URL list has more than one entry.
+     */
+    readonly redirected: boolean;
+    /** Contains the status code of the response (e.g., `200` for a success). */
+    readonly status: number;
+    /** Contains the status message corresponding to the status code (e.g., `OK`
+     * for `200`).
+     */
+    readonly statusText: string;
+    readonly trailer: Promise<Headers>;
+    /** Contains the type of the response (e.g., `basic`, `cors`). */
+    readonly type: ResponseType;
+    /** Contains the URL of the response. */
+    readonly url: string;
+    /** Creates a clone of a `Response` object. */
+    clone(): Response;
+  }
+  export interface Location {
+    /**
+     * Returns a DOMStringList object listing the origins of the ancestor browsing
+     * contexts, from the parent browsing context to the top-level browsing
+     * context.
+     */
+    readonly ancestorOrigins: string[];
+    /**
+     * Returns the Location object's URL's fragment (includes leading "#" if
+     * non-empty).
+     * Can be set, to navigate to the same URL with a changed fragment (ignores
+     * leading "#").
+     */
+    hash: string;
+    /**
+     * Returns the Location object's URL's host and port (if different from the
+     * default port for the scheme).  Can be set, to navigate to the same URL with
+     * a changed host and port.
+     */
+    host: string;
+    /**
+     * Returns the Location object's URL's host.  Can be set, to navigate to the
+     * same URL with a changed host.
+     */
+    hostname: string;
+    /**
+     * Returns the Location object's URL.  Can be set, to navigate to the given
+     * URL.
+     */
+    href: string;
+    /** Returns the Location object's URL's origin. */
+    readonly origin: string;
+    /**
+     * Returns the Location object's URL's path.
+     * Can be set, to navigate to the same URL with a changed path.
+     */
+    pathname: string;
+    /**
+     * Returns the Location object's URL's port.
+     * Can be set, to navigate to the same URL with a changed port.
+     */
+    port: string;
+    /**
+     * Returns the Location object's URL's scheme.
+     * Can be set, to navigate to the same URL with a changed scheme.
+     */
+    protocol: string;
+    /**
+     * Returns the Location object's URL's query (includes leading "?" if
+     * non-empty). Can be set, to navigate to the same URL with a changed query
+     * (ignores leading "?").
+     */
+    search: string;
+    /**
+     * Navigates to the given URL.
+     */
+    assign(url: string): void;
+    /**
+     * Reloads the current page.
+     */
+    reload(): void;
+    /** @deprecated */
+    reload(forcedReload: boolean): void;
+    /**
+     * Removes the current page from the session history and navigates to the
+     * given URL.
+     */
+    replace(url: string): void;
+  }
+}
+
+declare namespace blob {
+  // @url js/blob.d.ts
+
+  export const bytesSymbol: unique symbol;
+  export const blobBytesWeakMap: WeakMap<domTypes.Blob, Uint8Array>;
+  export class DenoBlob implements domTypes.Blob {
+    private readonly [bytesSymbol];
+    readonly size: number;
+    readonly type: string;
+    /** A blob object represents a file-like object of immutable, raw data. */
+    constructor(
+      blobParts?: domTypes.BlobPart[],
+      options?: domTypes.BlobPropertyBag
+    );
+    slice(start?: number, end?: number, contentType?: string): DenoBlob;
+  }
+}
+
+declare namespace consoleTypes {
+  // @url js/console.d.ts
+
+  type ConsoleOptions = Partial<{
+    showHidden: boolean;
+    depth: number;
+    colors: boolean;
+    indentLevel: number;
+  }>;
+  export class CSI {
+    static kClear: string;
+    static kClearScreenDown: string;
+  }
+  export const isConsoleInstance: unique symbol;
+  export class Console {
+    private printFunc;
+    indentLevel: number;
+    [isConsoleInstance]: boolean;
+    /** Writes the arguments to stdout */
+    log: (...args: unknown[]) => void;
+    /** Writes the arguments to stdout */
+    debug: (...args: unknown[]) => void;
+    /** Writes the arguments to stdout */
+    info: (...args: unknown[]) => void;
+    /** Writes the properties of the supplied `obj` to stdout */
+    dir: (
+      obj: unknown,
+      options?: Partial<{
+        showHidden: boolean;
+        depth: number;
+        colors: boolean;
+        indentLevel: number;
+      }>
+    ) => void;
+
+    /** From MDN:
+     * Displays an interactive tree of the descendant elements of
+     * the specified XML/HTML element. If it is not possible to display
+     * as an element the JavaScript Object view is shown instead.
+     * The output is presented as a hierarchical listing of expandable
+     * nodes that let you see the contents of child nodes.
+     *
+     * Since we write to stdout, we can't display anything interactive
+     * we just fall back to `console.dir`.
+     */
+    dirxml: (
+      obj: unknown,
+      options?: Partial<{
+        showHidden: boolean;
+        depth: number;
+        colors: boolean;
+        indentLevel: number;
+      }>
+    ) => void;
+
+    /** Writes the arguments to stdout */
+    warn: (...args: unknown[]) => void;
+    /** Writes the arguments to stdout */
+    error: (...args: unknown[]) => void;
+    /** Writes an error message to stdout if the assertion is `false`. If the
+     * assertion is `true`, nothing happens.
+     *
+     * ref: https://console.spec.whatwg.org/#assert
+     */
+    assert: (condition?: boolean, ...args: unknown[]) => void;
+    count: (label?: string) => void;
+    countReset: (label?: string) => void;
+    table: (data: unknown, properties?: string[] | undefined) => void;
+    time: (label?: string) => void;
+    timeLog: (label?: string, ...args: unknown[]) => void;
+    timeEnd: (label?: string) => void;
+    group: (...label: unknown[]) => void;
+    groupCollapsed: (...label: unknown[]) => void;
+    groupEnd: () => void;
+    clear: () => void;
+    trace: (...args: unknown[]) => void;
+    static [Symbol.hasInstance](instance: Console): boolean;
+  }
+  /** A symbol which can be used as a key for a custom method which will be called
+   * when `Deno.inspect()` is called, or when the object is logged to the console.
+   */
+  export const customInspect: unique symbol;
+  /**
+   * `inspect()` converts input into string that has the same format
+   * as printed by `console.log(...)`;
+   */
+  export function inspect(value: unknown, options?: ConsoleOptions): string;
+}
+
+declare namespace event {
+  // @url js/event.d.ts
+
+  export const eventAttributes: WeakMap<object, any>;
+  export class EventInit implements domTypes.EventInit {
+    bubbles: boolean;
+    cancelable: boolean;
+    composed: boolean;
+    constructor({
+      bubbles,
+      cancelable,
+      composed
+    }?: {
+      bubbles?: boolean | undefined;
+      cancelable?: boolean | undefined;
+      composed?: boolean | undefined;
+    });
+  }
+  export class Event implements domTypes.Event {
+    isTrusted: boolean;
+    private _canceledFlag;
+    private _dispatchedFlag;
+    private _initializedFlag;
+    private _inPassiveListenerFlag;
+    private _stopImmediatePropagationFlag;
+    private _stopPropagationFlag;
+    private _path;
+    constructor(type: string, eventInitDict?: domTypes.EventInit);
+    readonly bubbles: boolean;
+    cancelBubble: boolean;
+    cancelBubbleImmediately: boolean;
+    readonly cancelable: boolean;
+    readonly composed: boolean;
+    currentTarget: domTypes.EventTarget;
+    readonly defaultPrevented: boolean;
+    dispatched: boolean;
+    eventPhase: number;
+    readonly initialized: boolean;
+    inPassiveListener: boolean;
+    path: domTypes.EventPath[];
+    relatedTarget: domTypes.EventTarget;
+    target: domTypes.EventTarget;
+    readonly timeStamp: Date;
+    readonly type: string;
+    /** Returns the event’s path (objects on which listeners will be
+     * invoked). This does not include nodes in shadow trees if the
+     * shadow root was created with its ShadowRoot.mode closed.
+     *
+     *      event.composedPath();
+     */
+    composedPath(): domTypes.EventPath[];
+    /** Cancels the event (if it is cancelable).
+     * See https://dom.spec.whatwg.org/#set-the-canceled-flag
+     *
+     *      event.preventDefault();
+     */
+    preventDefault(): void;
+    /** Stops the propagation of events further along in the DOM.
+     *
+     *      event.stopPropagation();
+     */
+    stopPropagation(): void;
+    /** For this particular event, no other listener will be called.
+     * Neither those attached on the same element, nor those attached
+     * on elements which will be traversed later (in capture phase,
+     * for instance).
+     *
+     *      event.stopImmediatePropagation();
+     */
+    stopImmediatePropagation(): void;
+  }
+}
+
+declare namespace customEvent {
+  // @url js/custom_event.d.ts
+
+  export const customEventAttributes: WeakMap<object, any>;
+  export class CustomEventInit extends event.EventInit
+    implements domTypes.CustomEventInit {
+    detail: any;
+    constructor({
+      bubbles,
+      cancelable,
+      composed,
+      detail
+    }: domTypes.CustomEventInit);
+  }
+  export class CustomEvent extends event.Event implements domTypes.CustomEvent {
+    constructor(type: string, customEventInitDict?: domTypes.CustomEventInit);
+    readonly detail: any;
+    initCustomEvent(
+      type: string,
+      bubbles?: boolean,
+      cancelable?: boolean,
+      detail?: any
+    ): void;
+    readonly [Symbol.toStringTag]: string;
+  }
+}
+
+declare namespace eventTarget {
+  // @url js/event_target.d.ts
+
+  export class EventListenerOptions implements domTypes.EventListenerOptions {
+    _capture: boolean;
+    constructor({ capture }?: { capture?: boolean | undefined });
+    readonly capture: boolean;
+  }
+  export class AddEventListenerOptions extends EventListenerOptions
+    implements domTypes.AddEventListenerOptions {
+    _passive: boolean;
+    _once: boolean;
+    constructor({
+      capture,
+      passive,
+      once
+    }?: {
+      capture?: boolean | undefined;
+      passive?: boolean | undefined;
+      once?: boolean | undefined;
+    });
+    readonly passive: boolean;
+    readonly once: boolean;
+  }
+  export class EventListener implements domTypes.EventListener {
+    allEvents: domTypes.Event[];
+    atEvents: domTypes.Event[];
+    bubbledEvents: domTypes.Event[];
+    capturedEvents: domTypes.Event[];
+    private _callback;
+    private _options;
+    constructor(
+      callback: (event: domTypes.Event) => void | null,
+      options: boolean | domTypes.AddEventListenerOptions
+    );
+    handleEvent(event: domTypes.Event): void;
+    readonly callback: (event: domTypes.Event) => void | null;
+    readonly options: domTypes.AddEventListenerOptions | boolean;
+  }
+  export const eventTargetAssignedSlot: unique symbol;
+  export const eventTargetHasActivationBehavior: unique symbol;
+  export class EventTarget implements domTypes.EventTarget {
+    [domTypes.eventTargetHost]: domTypes.EventTarget | null;
+    [domTypes.eventTargetListeners]: {
+      [type in string]: domTypes.EventListener[]
+    };
+    [domTypes.eventTargetMode]: string;
+    [domTypes.eventTargetNodeType]: domTypes.NodeType;
+    private [eventTargetAssignedSlot];
+    private [eventTargetHasActivationBehavior];
+    addEventListener(
+      type: string,
+      callback: (event: domTypes.Event) => void | null,
+      options?: domTypes.AddEventListenerOptions | boolean
+    ): void;
+    removeEventListener(
+      type: string,
+      callback: (event: domTypes.Event) => void | null,
+      options?: domTypes.EventListenerOptions | boolean
+    ): void;
+    dispatchEvent(event: domTypes.Event): boolean;
+    readonly [Symbol.toStringTag]: string;
+  }
+}
+
+declare namespace io {
+  // @url js/io.d.ts
+
+  export const EOF: null;
+  export type EOF = null;
+  export enum SeekMode {
+    SEEK_START = 0,
+    SEEK_CURRENT = 1,
+    SEEK_END = 2
+  }
+  export interface Reader {
+    /** Reads up to p.byteLength bytes into `p`. It resolves to the number
+     * of bytes read (`0` < `n` <= `p.byteLength`) and rejects if any error encountered.
+     * Even if `read()` returns `n` < `p.byteLength`, it may use all of `p` as
+     * scratch space during the call. If some data is available but not
+     * `p.byteLength` bytes, `read()` conventionally returns what is available
+     * instead of waiting for more.
+     *
+     * When `read()` encounters end-of-file condition, it returns EOF symbol.
+     *
+     * When `read()` encounters an error, it rejects with an error.
+     *
+     * Callers should always process the `n` > `0` bytes returned before
+     * considering the EOF. Doing so correctly handles I/O errors that happen
+     * after reading some bytes and also both of the allowed EOF behaviors.
+     *
+     * Implementations must not retain `p`.
+     */
+    read(p: Uint8Array): Promise<number | EOF>;
+  }
+  export interface SyncReader {
+    readSync(p: Uint8Array): number | EOF;
+  }
+  export interface Writer {
+    /** Writes `p.byteLength` bytes from `p` to the underlying data
+     * stream. It resolves to the number of bytes written from `p` (`0` <= `n` <=
+     * `p.byteLength`) and any error encountered that caused the write to stop
+     * early. `write()` must return a non-null error if it returns `n` <
+     * `p.byteLength`. write() must not modify the slice data, even temporarily.
+     *
+     * Implementations must not retain `p`.
+     */
+    write(p: Uint8Array): Promise<number>;
+  }
+  export interface SyncWriter {
+    writeSync(p: Uint8Array): number;
+  }
+  export interface Closer {
+    close(): void;
+  }
+  export interface Seeker {
+    /** Seek sets the offset for the next `read()` or `write()` to offset,
+     * interpreted according to `whence`: `SeekStart` means relative to the start
+     * of the file, `SeekCurrent` means relative to the current offset, and
+     * `SeekEnd` means relative to the end. Seek returns the new offset relative
+     * to the start of the file and an error, if any.
+     *
+     * Seeking to an offset before the start of the file is an error. Seeking to
+     * any positive offset is legal, but the behavior of subsequent I/O operations
+     * on the underlying object is implementation-dependent.
+     */
+    seek(offset: number, whence: SeekMode): Promise<void>;
+  }
+  export interface SyncSeeker {
+    seekSync(offset: number, whence: SeekMode): void;
+  }
+  export interface ReadCloser extends Reader, Closer {}
+  export interface WriteCloser extends Writer, Closer {}
+  export interface ReadSeeker extends Reader, Seeker {}
+  export interface WriteSeeker extends Writer, Seeker {}
+  export interface ReadWriteCloser extends Reader, Writer, Closer {}
+  export interface ReadWriteSeeker extends Reader, Writer, Seeker {}
+  /** Copies from `src` to `dst` until either `EOF` is reached on `src`
+   * or an error occurs. It returns the number of bytes copied and the first
+   * error encountered while copying, if any.
+   *
+   * Because `copy()` is defined to read from `src` until `EOF`, it does not
+   * treat an `EOF` from `read()` as an error to be reported.
+   */
+  export function copy(dst: Writer, src: Reader): Promise<number>;
+  /** Turns `r` into async iterator.
+   *
+   *      for await (const chunk of toAsyncIterator(reader)) {
+   *          console.log(chunk)
+   *      }
+   */
+  export function toAsyncIterator(r: Reader): AsyncIterableIterator<Uint8Array>;
+}
+
+declare namespace fetchTypes {
+  // @url js/fetch.d.ts
+
+  class Body implements domTypes.Body, domTypes.ReadableStream, io.ReadCloser {
+    private rid;
+    readonly contentType: string;
+    bodyUsed: boolean;
+    private _bodyPromise;
+    private _data;
+    readonly locked: boolean;
+    readonly body: null | Body;
+    constructor(rid: number, contentType: string);
+    private _bodyBuffer;
+    arrayBuffer(): Promise<ArrayBuffer>;
+    blob(): Promise<domTypes.Blob>;
+    formData(): Promise<domTypes.FormData>;
+    json(): Promise<any>;
+    text(): Promise<string>;
+    read(p: Uint8Array): Promise<number | io.EOF>;
+    close(): void;
+    cancel(): Promise<void>;
+    getReader(): domTypes.ReadableStreamReader;
+    tee(): [domTypes.ReadableStream, domTypes.ReadableStream];
+    [Symbol.asyncIterator](): AsyncIterableIterator<Uint8Array>;
+  }
+  export class Response implements domTypes.Response {
+    readonly url: string;
+    readonly status: number;
+    statusText: string;
+    readonly type = "basic";
+    readonly redirected: boolean;
+    headers: domTypes.Headers;
+    readonly trailer: Promise<domTypes.Headers>;
+    bodyUsed: boolean;
+    readonly body: Body;
+    constructor(
+      url: string,
+      status: number,
+      headersList: Array<[string, string]>,
+      rid: number,
+      redirected_: boolean,
+      body_?: null | Body
+    );
+    arrayBuffer(): Promise<ArrayBuffer>;
+    blob(): Promise<domTypes.Blob>;
+    formData(): Promise<domTypes.FormData>;
+    json(): Promise<any>;
+    text(): Promise<string>;
+    readonly ok: boolean;
+    clone(): domTypes.Response;
+  }
+  /** Fetch a resource from the network. */
+  export function fetch(
+    input: domTypes.Request | string,
+    init?: domTypes.RequestInit
+  ): Promise<Response>;
+}
+
+declare namespace textEncoding {
+  // @url js/text_encoding.d.ts
+
+  export function atob(s: string): string;
+  /** Creates a base-64 ASCII string from the input string. */
+  export function btoa(s: string): string;
+  export interface TextDecodeOptions {
+    stream?: false;
+  }
+  export interface TextDecoderOptions {
+    fatal?: boolean;
+    ignoreBOM?: false;
+  }
+  export class TextDecoder {
+    private _encoding;
+    /** Returns encoding's name, lowercased. */
+    readonly encoding: string;
+    /** Returns `true` if error mode is "fatal", and `false` otherwise. */
+    readonly fatal: boolean;
+    /** Returns `true` if ignore BOM flag is set, and `false` otherwise. */
+    readonly ignoreBOM = false;
+    constructor(label?: string, options?: TextDecoderOptions);
+    /** Returns the result of running encoding's decoder. */
+    decode(input?: domTypes.BufferSource, options?: TextDecodeOptions): string;
+    readonly [Symbol.toStringTag]: string;
+  }
+  interface TextEncoderEncodeIntoResult {
+    read: number;
+    written: number;
+  }
+  export class TextEncoder {
+    /** Returns "utf-8". */
+    readonly encoding = "utf-8";
+    /** Returns the result of running UTF-8's encoder. */
+    encode(input?: string): Uint8Array;
+    encodeInto(input: string, dest: Uint8Array): TextEncoderEncodeIntoResult;
+    readonly [Symbol.toStringTag]: string;
+  }
+}
+
+declare namespace timers {
+  // @url js/timers.d.ts
+
+  export type Args = unknown[];
+  /** Sets a timer which executes a function once after the timer expires. */
+  export function setTimeout(
+    cb: (...args: Args) => void,
+    delay?: number,
+    ...args: Args
+  ): number;
+  /** Repeatedly calls a function , with a fixed time delay between each call. */
+  export function setInterval(
+    cb: (...args: Args) => void,
+    delay?: number,
+    ...args: Args
+  ): number;
+  export function clearTimeout(id?: number): void;
+  export function clearInterval(id?: number): void;
+}
+
+declare namespace urlSearchParams {
+  // @url js/url_search_params.d.ts
+
+  export class URLSearchParams {
+    private params;
+    private url;
+    constructor(init?: string | string[][] | Record<string, string>);
+    private updateSteps;
+    /** Appends a specified key/value pair as a new search parameter.
+     *
+     *       searchParams.append('name', 'first');
+     *       searchParams.append('name', 'second');
+     */
+    append(name: string, value: string): void;
+    /** Deletes the given search parameter and its associated value,
+     * from the list of all search parameters.
+     *
+     *       searchParams.delete('name');
+     */
+    delete(name: string): void;
+    /** Returns all the values associated with a given search parameter
+     * as an array.
+     *
+     *       searchParams.getAll('name');
+     */
+    getAll(name: string): string[];
+    /** Returns the first value associated to the given search parameter.
+     *
+     *       searchParams.get('name');
+     */
+    get(name: string): string | null;
+    /** Returns a Boolean that indicates whether a parameter with the
+     * specified name exists.
+     *
+     *       searchParams.has('name');
+     */
+    has(name: string): boolean;
+    /** Sets the value associated with a given search parameter to the
+     * given value. If there were several matching values, this method
+     * deletes the others. If the search parameter doesn't exist, this
+     * method creates it.
+     *
+     *       searchParams.set('name', 'value');
+     */
+    set(name: string, value: string): void;
+    /** Sort all key/value pairs contained in this object in place and
+     * return undefined. The sort order is according to Unicode code
+     * points of the keys.
+     *
+     *       searchParams.sort();
+     */
+    sort(): void;
+    /** Calls a function for each element contained in this object in
+     * place and return undefined. Optionally accepts an object to use
+     * as this when executing callback as second argument.
+     *
+     *       searchParams.forEach((value, key, parent) => {
+     *         console.log(value, key, parent);
+     *       });
+     *
+     */
+    forEach(
+      callbackfn: (value: string, key: string, parent: URLSearchParams) => void,
+      thisArg?: any
+    ): void;
+    /** Returns an iterator allowing to go through all keys contained
+     * in this object.
+     *
+     *       for (const key of searchParams.keys()) {
+     *         console.log(key);
+     *       }
+     */
+    keys(): Iterable<string>;
+    /** Returns an iterator allowing to go through all values contained
+     * in this object.
+     *
+     *       for (const value of searchParams.values()) {
+     *         console.log(value);
+     *       }
+     */
+    values(): Iterable<string>;
+    /** Returns an iterator allowing to go through all key/value
+     * pairs contained in this object.
+     *
+     *       for (const [key, value] of searchParams.entries()) {
+     *         console.log(key, value);
+     *       }
+     */
+    entries(): Iterable<[string, string]>;
+    /** Returns an iterator allowing to go through all key/value
+     * pairs contained in this object.
+     *
+     *       for (const [key, value] of searchParams[Symbol.iterator]()) {
+     *         console.log(key, value);
+     *       }
+     */
+    [Symbol.iterator](): Iterable<[string, string]>;
+    /** Returns a query string suitable for use in a URL.
+     *
+     *        searchParams.toString();
+     */
+    toString(): string;
+    private _handleStringInitialization;
+    private _handleArrayInitialization;
+  }
+}
+
+declare namespace url {
+  // @url js/url.d.ts
+
+  export const blobURLMap: Map<string, domTypes.Blob>;
+  export class URL {
+    private _parts;
+    private _searchParams;
+    private _updateSearchParams;
+    hash: string;
+    host: string;
+    hostname: string;
+    href: string;
+    readonly origin: string;
+    password: string;
+    pathname: string;
+    port: string;
+    protocol: string;
+    search: string;
+    username: string;
+    readonly searchParams: urlSearchParams.URLSearchParams;
+    constructor(url: string, base?: string | URL);
+    toString(): string;
+    toJSON(): string;
+    static createObjectURL(b: domTypes.Blob): string;
+    static revokeObjectURL(url: string): void;
+  }
+}
+
+declare namespace workers {
+  // @url js/workers.d.ts
+
+  export function encodeMessage(data: any): Uint8Array;
+  export function decodeMessage(dataIntArray: Uint8Array): any;
+  export let onmessage: (e: { data: any }) => void;
+  export function postMessage(data: any): void;
+  export function getMessage(): Promise<any>;
+  export let isClosing: boolean;
+  export function workerClose(): void;
+  export function workerMain(): Promise<void>;
+  export interface Worker {
+    onerror?: () => void;
+    onmessage?: (e: { data: any }) => void;
+    onmessageerror?: () => void;
+    postMessage(data: any): void;
+    closed: Promise<void>;
+  }
+  export interface WorkerOptions {}
+  /** Extended Deno Worker initialization options.
+   * `noDenoNamespace` hides global `window.Deno` namespace for
+   * spawned worker and nested workers spawned by it (default: false).
+   */
+  export interface DenoWorkerOptions extends WorkerOptions {
+    noDenoNamespace?: boolean;
+  }
+  export class WorkerImpl implements Worker {
+    private readonly rid;
+    private isClosing;
+    private readonly isClosedPromise;
+    onerror?: () => void;
+    onmessage?: (data: any) => void;
+    onmessageerror?: () => void;
+    constructor(specifier: string, options?: DenoWorkerOptions);
+    readonly closed: Promise<void>;
+    postMessage(data: any): void;
+    private run;
+  }
+}
+
+declare namespace performanceUtil {
+  // @url js/performance.d.ts
+
+  export class Performance {
+    /** Returns a current time from Deno's start in milliseconds.
+     *
+     * Use the flag --allow-hrtime return a precise value.
+     *
+     *       const t = performance.now();
+     *       console.log(`${t} ms since start!`);
+     */
+    now(): number;
+  }
+}
+
+// @url js/lib.web_assembly.d.ts
+
+// This follows the WebIDL at: https://webassembly.github.io/spec/js-api/
+// And follow on WebIDL at: https://webassembly.github.io/spec/web-api/
+
+/* eslint-disable @typescript-eslint/no-unused-vars, @typescript-eslint/no-explicit-any */
+
+declare namespace WebAssembly {
+  interface WebAssemblyInstantiatedSource {
+    module: Module;
+    instance: Instance;
+  }
+
+  /** Compiles a `WebAssembly.Module` from WebAssembly binary code.  This
+   * function is useful if it is necessary to a compile a module before it can
+   * be instantiated (otherwise, the `WebAssembly.instantiate()` function
+   * should be used). */
+  function compile(bufferSource: domTypes.BufferSource): Promise<Module>;
+
+  /** Compiles a `WebAssembly.Module` directly from a streamed underlying
+   * source. This function is useful if it is necessary to a compile a module
+   * before it can be instantiated (otherwise, the
+   * `WebAssembly.instantiateStreaming()` function should be used). */
+  function compileStreaming(
+    source: Promise<domTypes.Response>
+  ): Promise<Module>;
+
+  /** Takes the WebAssembly binary code, in the form of a typed array or
+   * `ArrayBuffer`, and performs both compilation and instantiation in one step.
+   * The returned `Promise` resolves to both a compiled `WebAssembly.Module` and
+   * its first `WebAssembly.Instance`. */
+  function instantiate(
+    bufferSource: domTypes.BufferSource,
+    importObject?: object
+  ): Promise<WebAssemblyInstantiatedSource>;
+
+  /** Takes an already-compiled `WebAssembly.Module` and returns a `Promise`
+   * that resolves to an `Instance` of that `Module`. This overload is useful if
+   * the `Module` has already been compiled. */
+  function instantiate(
+    module: Module,
+    importObject?: object
+  ): Promise<Instance>;
+
+  /** Compiles and instantiates a WebAssembly module directly from a streamed
+   * underlying source. This is the most efficient, optimized way to load wasm
+   * code. */
+  function instantiateStreaming(
+    source: Promise<domTypes.Response>,
+    importObject?: object
+  ): Promise<WebAssemblyInstantiatedSource>;
+
+  /** Validates a given typed array of WebAssembly binary code, returning
+   * whether the bytes form a valid wasm module (`true`) or not (`false`). */
+  function validate(bufferSource: domTypes.BufferSource): boolean;
+
+  type ImportExportKind = "function" | "table" | "memory" | "global";
+
+  interface ModuleExportDescriptor {
+    name: string;
+    kind: ImportExportKind;
+  }
+  interface ModuleImportDescriptor {
+    module: string;
+    name: string;
+    kind: ImportExportKind;
+  }
+
+  class Module {
+    constructor(bufferSource: domTypes.BufferSource);
+
+    /** Given a `Module` and string, returns a copy of the contents of all
+     * custom sections in the module with the given string name. */
+    static customSections(
+      moduleObject: Module,
+      sectionName: string
+    ): ArrayBuffer;
+
+    /** Given a `Module`, returns an array containing descriptions of all the
+     * declared exports. */
+    static exports(moduleObject: Module): ModuleExportDescriptor[];
+
+    /** Given a `Module`, returns an array containing descriptions of all the
+     * declared imports. */
+    static imports(moduleObject: Module): ModuleImportDescriptor[];
+  }
+
+  class Instance<T extends object = { [key: string]: any }> {
+    constructor(module: Module, importObject?: object);
+
+    /** An object containing as its members all the functions exported from the
+     * WebAssembly module instance, to allow them to be accessed and used by
+     * JavaScript. */
+    readonly exports: T;
+  }
+
+  interface MemoryDescriptor {
+    initial: number;
+    maximum?: number;
+  }
+
+  class Memory {
+    constructor(descriptor: MemoryDescriptor);
+
+    /** An accessor property that returns the buffer contained in the memory. */
+    readonly buffer: ArrayBuffer;
+
+    /** Increases the size of the memory instance by a specified number of
+     * WebAssembly pages (each one is 64KB in size). */
+    grow(delta: number): number;
+  }
+
+  type TableKind = "anyfunc";
+
+  interface TableDescriptor {
+    element: TableKind;
+    initial: number;
+    maximum?: number;
+  }
+
+  class Table {
+    constructor(descriptor: TableDescriptor);
+
+    /** Returns the length of the table, i.e. the number of elements. */
+    readonly length: number;
+
+    /** Accessor function — gets the element stored at a given index. */
+    get(index: number): (...args: any[]) => any;
+
+    /** Increases the size of the Table instance by a specified number of
+     * elements. */
+    grow(delta: number): number;
+
+    /** Sets an element stored at a given index to a given value. */
+    set(index: number, value: (...args: any[]) => any): void;
+  }
+
+  interface GlobalDescriptor {
+    value: string;
+    mutable?: boolean;
+  }
+
+  /** Represents a global variable instance, accessible from both JavaScript and
+   * importable/exportable across one or more `WebAssembly.Module` instances.
+   * This allows dynamic linking of multiple modules. */
+  class Global {
+    constructor(descriptor: GlobalDescriptor, value?: any);
+
+    /** Old-style method that returns the value contained inside the global
+     * variable. */
+    valueOf(): any;
+
+    /** The value contained inside the global variable — this can be used to
+     * directly set and get the global's value. */
+    value: any;
+  }
+
+  /** Indicates an error during WebAssembly decoding or validation */
+  class CompileError extends Error {
+    constructor(message: string, fileName?: string, lineNumber?: string);
+  }
+
+  /** Indicates an error during module instantiation (besides traps from the
+   * start function). */
+  class LinkError extends Error {
+    constructor(message: string, fileName?: string, lineNumber?: string);
+  }
+
+  /** Is thrown whenever WebAssembly specifies a trap. */
+  class RuntimeError extends Error {
+    constructor(message: string, fileName?: string, lineNumber?: string);
+  }
+}
+
+/* eslint-enable @typescript-eslint/no-unused-vars, @typescript-eslint/no-explicit-any */