import { Identity } from '@5minds/processcube_engine_sdk';
import { DatabaseAdapter } from './BaseDatabaseAdapter';
export declare class UserTaskInstanceDatabaseAdapter extends DatabaseAdapter {
    initialize(): Promise<void>;
    reserveUserTaskInstance(identity: Identity, flowNodeInstanceId: string, actualOwnerId: string): Promise<void>;
    cancelUserTaskInstanceReservation(identity: Identity, flowNodeInstanceId: string): Promise<void>;
}