import { IExecutionContextFacade, IFlowNodeHandler, IProcessModelFacade, IProcessTokenFacade, Model, NextFlowNodeInfo, Runtime } from '@process-engine/process_engine_contracts';
export declare abstract class FlowNodeHandler<TFlowNode extends Model.Base.FlowNode> implements IFlowNodeHandler<TFlowNode> {
    protected flowNodeInstanceId: string;
    getInstanceId(): string;
    execute(flowNode: TFlowNode, token: Runtime.Types.ProcessToken, processTokenFacade: IProcessTokenFacade, processModelFacade: IProcessModelFacade, executionContextFacade: IExecutionContextFacade): Promise<NextFlowNodeInfo>;
    protected abstract executeInternally(flowNode: TFlowNode, token: Runtime.Types.ProcessToken, processTokenFacade: IProcessTokenFacade, processModelFacade: IProcessModelFacade, executionContextFacade: IExecutionContextFacade): Promise<NextFlowNodeInfo>;
    private afterExecute;
    protected createFlowNodeInstanceId(): string;
}