export declare function transcriptionSkillMd(version: string): string;
export declare const TRANSCRIPTION_SUPPORTED_EXTENSIONS: string[];
/**
 * Generates the `transcribe.sh` shell script that:
 * 1. Validates input (file exists, extension supported, size <= 200MB)
 * 2. For video files, extracts audio via ffmpeg
 * 3. Detects transcription backend in priority order
 * 4. Runs transcription, outputs UTF-8 .txt file
 * 5. Records evidence via orchestra CLI
 *
 * Exit codes: 0=success, 1=bad input, 2=too large, 3=no backend
 */
export declare function transcribeScript(): string;