export interface BriefResult {
    brief: string | null;
    skipped: boolean;
}
export interface GatherBriefOptions {
    input?: NodeJS.ReadableStream;
    output?: NodeJS.WritableStream;
    /** Test seam: when supplied, lines are read from here instead of `input`. */
    lines?: AsyncIterable<string>;
}
export declare const BRIEF_PROMPT = "Paste your project instantiation prompt. End with a line containing only `<<END>>` (or press Ctrl+D) to signal done. Type `skip` to fall through to wizard mode.";
export declare const BRIEF_SENTINEL = "<<END>>";
export declare function gatherBrief(opts?: GatherBriefOptions): Promise<BriefResult>;