import { type ReferenceProgressPayload } from './reference-progress-channel.js';
export declare class TwinReferenceProgressMessage {
    source: string;
    siteId: string;
    step: string;
    done: number;
    total?: number;
    siteIndex: number;
    siteCount: number;
    detail?: string;
    failed?: boolean;
    error?: string;
}
export declare class TwinReferenceProgressSubscription {
    twinReferenceProgress(payload: ReferenceProgressPayload<TwinReferenceProgressMessage>, source: string): TwinReferenceProgressMessage;
}