import { Injector, Provider, Signal } from '@angular/core';
interface InjectIsRestoringOptions {
    /**
     * The `Injector` to use to get the isRestoring signal.
     *
     * If this is not provided, the current injection context will be used instead (via `inject`).
     */
    injector?: Injector;
}
/**
 * Injects a signal that tracks whether a restore (e.g. from a persisted client, wired up via
 * `provideIsRestoring`) is currently in progress. `injectQuery` and friends also check this internally to
 * avoid race conditions between the restore and initializing queries.
 * @param options - Additional configuration
 * @returns A readonly `Signal<boolean>` — `true` while a restore is in progress, `false` otherwise (the
 * default when no `provideIsRestoring` provider is registered).
 */
export declare function injectIsRestoring(options?: InjectIsRestoringOptions): Signal<boolean>;
/**
 * Registers a provider for the restore state read by `injectIsRestoring`. Wire this up wherever you drive a
 * restore yourself — e.g. a persist-client integration — so `injectQuery` and friends can defer subscribing
 * to their observer (avoiding a race with the restore) until the restore signal flips back to `false`.
 * @param isRestoring - A readonly `Signal<boolean>` that tracks the restore state.
 * @returns A provider for the `isRestoring` signal.
 */
export declare function provideIsRestoring(isRestoring: Signal<boolean>): Provider;
export {};