export interface ScannedFile {
    /** Absolute path */
    absPath: string;
    /** Path relative to the indexed root */
    relPath: string;
    language: string;
    hash: string;
    content: string;
}
/** Walk a directory tree and return source files with their content and hashes */
export declare function scanDirectory(rootDir: string, languages?: string[]): Promise<{
    files: ScannedFile[];
    errors: string[];
}>;