/**
 * WorkflowRunner：简化版脚本编排（对标 wave-agent workflow）。
 * 接受 steps 数组，顺序执行，每步是 async run()。
 * 支持 cancel（中断后续 step）+ status（pending/running/completed/failed/cancelled）。
 */
export interface WorkflowStep {
    id: string;
    name: string;
    run: () => Promise<string>;
}
export interface WorkflowStepResult {
    id: string;
    status: "completed" | "failed" | "skipped";
    output?: string;
    error?: string;
}
export interface WorkflowResult {
    status: "completed" | "failed" | "cancelled";
    results: WorkflowStepResult[];
}
export declare class WorkflowRunner {
    private readonly steps;
    private _status;
    private cancelled;
    constructor(steps: WorkflowStep[]);
    run(): Promise<WorkflowResult>;
    cancel(): void;
    status(): "pending" | "running" | "completed" | "failed" | "cancelled";
}