import { ValueInfo } from '../../../shared/value-info';
export type SingleInstanceStorageConfig = {
    basePath: string;
};
export declare class SingleInstanceStorage {
    private sessionValues;
    private fsStorage;
    private waiters;
    constructor(config: SingleInstanceStorageConfig);
    loadInfo({ key, sig, ttl }: {
        key: string;
        sig: string;
        ttl?: number;
    }): Promise<ValueInfo>;
    private loadPersistentValueInfo;
    setComputing(valueInfo: ValueInfo): Promise<void>;
    waitValue(key: string): Promise<ValueInfo>;
    setComputed({ key, value, error }: {
        key: string;
        value?: unknown;
        error?: string;
    }): Promise<ValueInfo>;
    getLoadedInfo(key: string): Promise<ValueInfo | undefined>;
    getLoadedInfoList(prefix: string): Promise<ValueInfo[]>;
    /**
     * Clears all session values.
     */
    clearSession(): Promise<void>;
}
//# sourceMappingURL=index.d.ts.map