Interface WorkerHandle

interface WorkerHandle {
    off(event: string, handler: (...args: unknown[]) => void): void;
    on(event: "message", handler: (message: unknown) => void): void;
    on(event: "error", handler: (error: Error) => void): void;
    on(event: "exit", handler: (code: number) => void): void;
    postMessage(message: unknown, transfer?: Transferable[]): void;
    terminate(): Promise<number>;
}