declare module "ext:core/ops" {
  export function op_worker_base(): string;
  export function op_worker_close(): null;
  export function op_worker_create(
    args: [
      specifier: string,
      referrer: string,
      name: string,
      restrictions: import("../../base/src/pledge.js").PledgeRow[],
    ],
  ): [id: number, portId: number];
  export function op_worker_metadata(): [portId: number, url: string, name: string] | null;
  export function op_worker_terminate(id: number): null;
  export function op_worker_wait(id: number): Promise<string | null>;
}