import { IEventAggregator } from '@essential-projects/event_aggregator_contracts';
import { IExecutionContextFacade, IProcessModelFacade, IProcessTokenFacade, Model, NextFlowNodeInfo, Runtime } from '@process-engine/process_engine_contracts';
import { FlowNodeHandler } from './index';
export declare class MessageBoundaryEventHandler extends FlowNodeHandler<Model.Events.BoundaryEvent> {
    private _eventAggregator;
    private _decoratedHandler;
    private messageReceived;
    private handlerHasFinished;
    private subscription;
    constructor(eventAggregator: IEventAggregator, decoratedHandler: FlowNodeHandler<Model.Base.FlowNode>);
    private readonly decoratedHandler;
    private readonly eventAggregator;
    protected executeInternally(flowNode: Model.Events.BoundaryEvent, token: Runtime.Types.ProcessToken, processTokenFacade: IProcessTokenFacade, processModelFacade: IProcessModelFacade, executionContextFacade: IExecutionContextFacade): Promise<NextFlowNodeInfo>;
    private _subscribeToMessageEvent;
    private _getMessageBoundaryEvent;
}