import type { ProcedureMapping } from './types';
export declare class NavigationCache {
    private cache;
    private lastUpdate;
    private cacheTimeout;
    constructor(cacheTimeout?: number);
    get(): ProcedureMapping | null;
    set(mapping: ProcedureMapping): void;
    clear(): void;
    isValid(): boolean;
}
//# sourceMappingURL=cache.d.ts.map