1 files changed, 39 insertions, 0 deletions
diff --git a/core/lib.deno_core.d.ts b/core/lib.deno_core.d.ts
new file mode 100644
index 000000000..3e113ca15
--- /dev/null
+++ b/core/lib.deno_core.d.ts
@@ -0,0 +1,39 @@
+// 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 {
+    /** Send a JSON op to Rust, and synchronously recieve the result. */
+    function jsonOpSync(
+      opName: string,
+      args: any,
+      ...zeroCopy: Uint8Array[]
+    ): any;
+
+    /** Send a JSON op to Rust, and asynchronously recieve the result. */
+    function jsonOpAsync(
+      opName: string,
+      args: any,
+      ...zeroCopy: Uint8Array[]
+    ): 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;
+  }
+}