import type { AnySignal, Morph, Mountable, ReadableSignal, WritableSignal } from './internals/types.js';
import { signal, computed, batch, nextValue, signalNextValue } from './internals/system.js';
export { signal, computed, batch, nextValue, signalNextValue };
/**
 * Listen for mount and unmount events on a mountable signal.
 * @param $signal - The signal to subscribe to.
 * @param listener - The listener to call when the signal is mounted or not.
 * @returns A function to stop the subscription.
 */
export declare function onMounted($signal: Mountable<AnySignal>, listener: (mounted: boolean) => void): import("./internals/types.js").Destroy;
export declare function morph<T, C extends Partial<Morph<T>>>($signal: WritableSignal<T>, context: C): WritableSignal<T>;
export declare function morph<T, C extends Partial<Morph<T>>>($signal: ReadableSignal<T>, context: C): ReadableSignal<T>;
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