import { IConsumerApiService } from '@process-engine/consumer_api_contracts';
import { IExecutionContextFacade, IFlowNodeInstanceService, IProcessModelFacade, IProcessTokenFacade, Model, NextFlowNodeInfo, Runtime } from '@process-engine/process_engine_contracts';
import { FlowNodeHandler } from './index';
export declare class CallActivityHandler extends FlowNodeHandler<Model.Activities.CallActivity> {
    private _consumerApiService;
    private _flowNodeInstanceService;
    constructor(consumerApiService: IConsumerApiService, flowNodeInstanceService: IFlowNodeInstanceService);
    private readonly consumerApiService;
    private readonly flowNodeInstanceService;
    protected executeInternally(callActivityNode: Model.Activities.CallActivity, token: Runtime.Types.ProcessToken, processTokenFacade: IProcessTokenFacade, processModelFacade: IProcessModelFacade, executionContextFacade: IExecutionContextFacade): Promise<NextFlowNodeInfo>;
    private _getAccessibleStartEvent;
    private _waitForSubProcessToFinishAndReturnCorrelationId;
}