import { Route } from "../storage/base";
export interface Blocker {
    check(route: Route): Promise<boolean>;
}
export interface Blockers {
    registerBlocker(blocker: Blocker): {
        deregister: () => void;
    };
    isBlocking(route: Route): Promise<boolean>;
}
export declare const BlockersContext: import("react").Context<Blockers>;
export declare function useBlockers(): Blockers;