import type { WrfcState } from './wrfc-types.js';
export type WrfcExternalWorkStatus = 'queued' | 'running' | 'blocked' | 'completed' | 'failed' | 'cancelled';
export interface WrfcExternalWorkRequest {
    task: string;
    wrfcId?: string | undefined;
    chainState?: WrfcState | undefined;
    metadata?: Record<string, unknown> | undefined;
}
export interface WrfcExternalWorkHandle {
    externalTaskId: string;
    status: WrfcExternalWorkStatus;
    metadata?: Record<string, unknown> | undefined;
}
export interface WrfcExternalWorkSnapshot extends WrfcExternalWorkHandle {
    progress?: string | undefined;
    updatedAt?: string | undefined;
}
export interface WrfcExternalWorkResult {
    externalTaskId: string;
    status: Extract<WrfcExternalWorkStatus, 'completed' | 'failed' | 'cancelled'>;
    summary: string;
    output?: string | undefined;
    metadata?: Record<string, unknown> | undefined;
}
/**
 * Translation seam for limited surfaces and partner apps that cannot or should
 * not embed the native WRFC controller. TUI remains the first-class SDK-native
 * WRFC implementation; this adapter shape is for companion surfaces that need
 * to dispatch, poll, cancel, and normalize externally-owned work.
 */
export interface WrfcExternalWorkAdapter {
    dispatch(request: WrfcExternalWorkRequest): Promise<WrfcExternalWorkHandle>;
    status(externalTaskId: string): Promise<WrfcExternalWorkSnapshot>;
    cancel(externalTaskId: string, reason?: string | undefined): Promise<void>;
    result(externalTaskId: string): Promise<WrfcExternalWorkResult>;
}
export declare class WrfcExternalWorkBridge {
    private readonly adapter;
    constructor(adapter: WrfcExternalWorkAdapter);
    dispatch(request: WrfcExternalWorkRequest): Promise<WrfcExternalWorkHandle>;
    status(externalTaskId: string): Promise<WrfcExternalWorkSnapshot>;
    cancel(externalTaskId: string, reason?: string | undefined): Promise<void>;
    result(externalTaskId: string): Promise<WrfcExternalWorkResult>;
}
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