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// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
// deno-lint-ignore-file no-explicit-any
/// <reference no-default-lib="true" />
/// <reference lib="esnext" />
declare namespace Deno {
declare namespace core {
/** Call an op in Rust, and synchronously receive the result. */
function opSync(
opName: string,
a?: any,
b?: any,
): any;
/** Call an op in Rust, and asynchronously receive the result. */
function opAsync(
opName: string,
a?: any,
b?: any,
): Promise<any>;
/**
* Retrieve a list of all registered ops, in the form of a map that maps op
* name to internal numerical op id.
*/
function ops(): Record<string, number>;
/**
* Retrieve a list of all open resources, in the form of a map that maps
* resource id to the resource name.
*/
function resources(): Record<string, string>;
/** Close the resource with the specified op id. */
function close(rid: number): void;
/** Get heap stats for current isolate/worker */
function heapStats(): Record<string, number>;
/** Encode a string to its Uint8Array representation. */
function encode(input: string): Uint8Array;
/**
* Set a callback that will be called when the WebAssembly streaming APIs
* (`WebAssembly.compileStreaming` and `WebAssembly.instantiateStreaming`)
* are called in order to feed the source's bytes to the wasm compiler.
* The callback is called with the source argument passed to the streaming
* APIs and an rid to use with `Deno.core.wasmStreamingFeed`.
*/
function setWasmStreamingCallback(
cb: (source: any, rid: number) => void,
): void;
/**
* Affect the state of the WebAssembly streaming compiler, by either passing
* it bytes, aborting it, or indicating that all bytes were received.
* `rid` must be a resource ID that was passed to the callback set with
* `Deno.core.setWasmStreamingCallback`. Calling this function with `type`
* set to either "abort" or "finish" invalidates the rid.
*/
function wasmStreamingFeed(
rid: number,
type: "bytes",
bytes: Uint8Array,
): void;
function wasmStreamingFeed(rid: number, type: "abort", error: any): void;
function wasmStreamingFeed(rid: number, type: "finish"): void;
}
}
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