import { f as Computed, m as Signal } from "../children-s3nFjpLA.mjs";

//#region src/utilities/event-driven.d.ts
/**
 * A subscribe function: registers a `notify` callback and returns an
 * unsubscribe cleanup. Same contract as `useSyncExternalStore`.
 */
type Subscribe = (notify: () => void) => () => void;
/**
 * Returns a `Subscribe` for one or more DOM events on a target.
 *
 * @example
 * ```ts
 * const [playing, stop] = sync(fromEvent(el, ["play", "pause"]), () => !el.paused);
 * ```
 */
declare function fromEvent(target: EventTarget, events: string | string[]): Subscribe;
/**
 * Keeps a reactive value in sync with an external source by re-reading
 * `getter` whenever `subscribe` notifies of a change.
 *
 * Returns a `[value, cleanup]` tuple.
 *
 * Without `setter` → value is `Computed<T>` (read-only).
 * With `setter`    → value is `Signal<T>` (writable).
 *
 * @example
 * ```ts
 * const [playing, stop] = sync(fromEvent(el, ["play", "pause"]), () => !el.paused);
 *
 * const [volume, stopVolume] = sync(
 *   fromEvent(el, "volumechange"),
 *   () => el.volume,
 *   (v) => { el.volume = v; },
 * );
 *
 * // Any external store
 * const [data, unsub] = sync(
 *   (notify) => { store.on("change", notify); return () => store.off("change", notify); },
 *   () => store.getSnapshot(),
 * );
 * ```
 */
declare function sync<T>(subscribe: Subscribe, getter: () => T): [Computed<T>, () => void];
declare function sync<T>(subscribe: Subscribe, getter: () => T, setter: (value: T) => void): [Signal<T>, () => void];
//#endregion
export { Subscribe, fromEvent, sync };