import { MaybePromise } from "../types/utils.js";

//#region src/utils/observe.d.ts
type Callback = ((...args: any[]) => any) | undefined;
type Callbacks = Record<string, Callback>;
/** @internal */
declare const listenersCache: Map<string, {
  id: number;
  fns: Callbacks;
}[]>;
/** @internal */
declare const cleanupCache: Map<string, () => void>;
type EmitFunction<callbacks extends Callbacks> = (emit: callbacks) => MaybePromise<void | (() => void)>;
/**
* @description Sets up an observer for a given function. If another function
* is set up under the same observer id, the function will only be called once
* for both instances of the observer.
*/
declare function observe<callbacks extends Callbacks>(observerId: string, callbacks: callbacks, fn: EmitFunction<callbacks>): () => void;
//#endregion
export { cleanupCache, listenersCache, observe };
//# sourceMappingURL=observe.d.ts.map