import type { Observable } from "rxjs";
export type Fn<Params extends any[], Return> = (...params: Params) => Return;
/**
 * Mapped type that transforms a worker configuration into a client-side API.
 *
 * @remarks
 * This type recursively maps the worker's configuration. Functions are transformed
 * to return Promises (for one-off results) or Observables (for streams).
 *
 * @template Config - The worker configuration type.
 */
export type RpcClient<Config> = {
    [Key in keyof Config]: Config[Key] extends (...args: any[]) => any ? Config[Key] extends Fn<infer P, infer R> ? R extends Observable<any> ? Fn<P, R> : Fn<P, Promise<Awaited<R>>> : never : RpcClient<Config[Key]>;
};
export type PostMessage = (message: any, transfer: Transferable[]) => void;