import Flow from './flow';
export default class ExecutionStragegy {
    private looping;
    private matchUntilHalt;
    private flow;
    private agenda;
    private rootNode;
    private __halted;
    private flowAltered;
    private onAlter;
    constructor(flow: Flow, matchUntilHalt?: boolean);
    halt(): void;
    private setup;
    private tearDown;
    private __handleAsyncNext;
    private callNext;
    execute(): Promise<{}>;
}