/**
 * Wait for a later {@link objectNotify} or {@link objectNotifyAll} call on this {@link Object}.
 *
 * This will resolve with `true` if notified.
 *
 * The returned {@link Promise} here represents a token that is triggered with {@link objectNotify}.
 * You should abort the passed signal if you are no longer interested, in which case it will be resolved with `false` (rather than rejecting).
 */
export declare function objectWait(host: Object, signal?: AbortSignal): Promise<boolean>;
/**
 * Notifies a waiter on this {@link Object} in a microtask.
 *
 * Returns `true` if one was woken up, `false` otherwise.
 */
export declare function objectNotify(host: Object): boolean;
/**
 * Notifies all waiters for this {@link Object} in independent microtasks.
 *
 * Returns the count of waiters woken up.
 */
export declare function objectNotifyAll(host: Object): number;