import { IExecutionContextFacade, IFlowNodeInstanceService, IProcessModelFacade, IProcessTokenFacade, Model, NextFlowNodeInfo, Runtime } from '@process-engine/process_engine_contracts';
import { IContainer } from 'addict-ioc';
import { FlowNodeHandler } from './index';
export declare class ServiceTaskHandler extends FlowNodeHandler<Model.Activities.ServiceTask> {
    private _container;
    private _flowNodeInstanceService;
    constructor(container: IContainer, flowNodeInstanceService: IFlowNodeInstanceService);
    private readonly container;
    private readonly flowNodeInstanceService;
    protected executeInternally(serviceTaskNode: Model.Activities.ServiceTask, token: Runtime.Types.ProcessToken, processTokenFacade: IProcessTokenFacade, processModelFacade: IProcessModelFacade, executionContextFacade: IExecutionContextFacade): Promise<NextFlowNodeInfo>;
}