import {Signal} from './_signal.js';
/**
 * A signal that stores a context value of type T.
 *
 * This signal extends the basic {@link Signal} class and adds features specific to context values.
 *
 * @template T - The type of the context value.
 */
export declare class ContextSignal<T> extends Signal<T> {
  /**
   * Creates a new ContextSignal instance.
   *
   * @param {string} name - The name of the signal.
   * @param {false | 'AnimationFrame' | 'IdleCallback' | number} [debounce=false] - The debounce configuration.
   */
  constructor(name: string, debounce?: false | 'AnimationFrame' | 'IdleCallback' | number);
  /**
   * Requires the current value of the signal, waiting for it to be available if necessary.
   *
   * @return {Promise<T>} A promise that resolves with the current value of the signal.
   */
  requireValue(): Promise<T>;
  /**
   * Applies a function to the current value of the signal and sets the result as the new value.
   *
   * @param {(value: T | undefined) => T} func - The function to apply to the current value.
   * @return {T} The new value of the signal.
   */
  functionalValue(func: (value: T | undefined) => T): T;
  /**
   * Gets the current value of the signal.
   *
   * @return {T | undefined} The current value of the signal, or undefined if it has not been set or has expired.
   */
  get value(): T | undefined;
  /**
   * Sets a new value for the signal and notifies any subscribers.
   *
   * @param {T} value - The new value to set.
   */
  set value(value: T);
  /**
   * Clears the cache of the signal.
   */
  expire(): void;
  /**
   * Returns a promise that resolves when the signal changes.
   *
   * @return {Promise<T>} A promise that resolves with the new value of the signal when it changes.
   */
  untilChange(): Promise<T>;
  /**
   * Renotifies any subscribers with the current value of the signal.
   */
  renotify(): void;
}
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