export interface DocspecChangedOptions {
    /** List of changed file paths (repo-relative). If not set, base and merge must be set. */
    changedFiles?: string[];
    /** Base SHA for git diff (e.g. PR base). */
    base?: string;
    /** Merge SHA for git diff (e.g. PR merge commit). */
    merge?: string;
    /** Max number of docspecs to include. */
    maxDocspecs?: number;
    /** Max characters of diff to include. */
    maxDiffChars?: number;
    /** Repo root (default process.cwd()). */
    repoRoot?: string;
}
/**
 * Build the changed prompt (sync markdown with docspecs from PR changes) and return it.
 * If options.outputPath is set, writes the prompt to that file.
 */
export declare function buildDocspecChangedPrompt(options: DocspecChangedOptions & {
    outputPath?: string;
}): Promise<{
    prompt: string;
    outputPath: string | null;
}>;
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