declare const apply: typeof import("ext:core/primordials").ReflectApply;
declare const descriptor: typeof import("ext:core/primordials").ObjectGetOwnPropertyDescriptor;
declare const getPrototype: typeof import("ext:core/primordials").ObjectGetPrototypeOf;
declare const setPrototype: typeof import("ext:core/primordials").ObjectSetPrototypeOf;
declare const define: typeof import("ext:core/primordials").ObjectDefineProperty;
declare const get: typeof import("ext:core/primordials").WeakMapPrototypeGet;
declare const set: typeof import("ext:core/primordials").WeakMapPrototypeSet;
declare const mapGet: typeof import("ext:core/primordials").MapPrototypeGet;
declare const mapSet: typeof import("ext:core/primordials").MapPrototypeSet;
declare const mapDelete: typeof import("ext:core/primordials").MapPrototypeDelete;
declare const mapForEach: typeof import("ext:core/primordials").MapPrototypeForEach;
declare const mapClear: typeof import("ext:core/primordials").MapPrototypeClear;
declare const then: typeof import("ext:core/promises").promiseThen;
declare const safeNewPromise: typeof import("ext:core/promises").newPromise;
declare const safePromiseResolve: typeof import("ext:core/promises").promiseResolve;
declare const safePromiseReject: typeof import("ext:core/promises").promiseReject;
declare const markPromiseHandled: typeof import("ext:core/promises").markPromiseHandled;
declare const cloneValue: typeof import("ext:web/serialization.js").cloneValue;
declare const registerMarkedTransferable: typeof import("ext:web/serialization.js").registerMarkedTransferable;
declare const registerWire: typeof import("ext:web/serialization.js").registerWire;
declare const dataCloneError: typeof import("ext:web/events.js").dataCloneError;
declare const addListener: typeof import("ext:web/events.js").addListener;
declare const MessagePort: typeof import("ext:web/messaging.js").MessagePort;
declare const adoptPort: typeof import("ext:web/messaging.js").adoptPort;
declare const messageData: typeof import("ext:web/messaging.js").messageData;
declare const referencePort: typeof import("ext:web/messaging.js").referencePort;
declare const setPortCloseHandler: typeof import("ext:web/messaging.js").setPortCloseHandler;
declare const startPort: typeof import("ext:web/messaging.js").startPort;
declare const op_port_pair: typeof import("ext:core/ops").op_port_pair;
declare const op_port_move: typeof import("ext:core/ops").op_port_move;
declare const op_port_close: typeof import("ext:core/ops").op_port_close;

type ReadableResource = import("ext:webstreams/streams.js").ReadableStream;
type WritableResource = import("ext:webstreams/streams.js").WritableStream;
type TransformResource = import("ext:webstreams/streams.js").TransformStream;
type Reader = import("ext:webstreams/streams.js").ReadableStreamDefaultReader;
type Writer = import("ext:webstreams/streams.js").WritableStreamDefaultWriter;
type ReadController = import("ext:webstreams/streams.js").ReadableStreamDefaultController;
type WriteController = import("ext:webstreams/streams.js").WritableStreamDefaultController;
type ReadResult = import("ext:webstreams/streams.js").ReadResult<unknown>;
type Port = import("ext:web/messaging.js").MessagePort;
type StreamResource = ReadableResource | WritableResource | TransformResource;
interface StreamRecord {
  source: object;
  kind?: "readable" | "writable" | "transform";
  readable: ReadableResource | null;
  writable: WritableResource | null;
  reader?: Reader | null;
  writer?: Writer | null;
  readableClone?: ReadableResource;
  writableClone?: WritableResource;
  destination?: StreamResource;
  controller?: WriteController;
  writableState?: unknown;
  readPair?: [number, number];
  writePair?: [number, number];
}
type StreamPacket = [
  kind: "readable" | "writable" | "transform",
  readId: number | null,
  writeId: number | null,
  writableClosed: boolean,
];
type RequestPacket = [id: number, command: "read" | "write" | "close" | "abort" | "cancel", value?: unknown];
type ReplyPacket = [id: number | null, ok: boolean, value: unknown];