import { IEventAggregator } from '@essential-projects/event_aggregator_contracts';
import { IExecutionContextFacade, IFlowNodeInstanceService, IProcessModelFacade, IProcessTokenFacade, Model, NextFlowNodeInfo, Runtime } from '@process-engine/process_engine_contracts';
import { FlowNodeHandler } from './index';
export declare class UserTaskHandler extends FlowNodeHandler<Model.Activities.UserTask> {
    private _eventAggregator;
    private _flowNodeInstanceService;
    constructor(eventAggregator: IEventAggregator, flowNodeInstanceService: IFlowNodeInstanceService);
    private readonly eventAggregator;
    private readonly flowNodeInstanceService;
    protected executeInternally(userTask: Model.Activities.UserTask, token: Runtime.Types.ProcessToken, processTokenFacade: IProcessTokenFacade, processModelFacade: IProcessModelFacade, executionContextFacade: IExecutionContextFacade): Promise<NextFlowNodeInfo>;
    private _sendUserTaskFinishedToConsumerApi;
}