/**
 * Director Mode Pipeline Orchestrator
 *
 * Orchestrates multi-segment video generation: parallel clip generation,
 * parallel frame extraction + transition generation, and sequential merge.
 *
 * Error severity semantics:
 * - HIGH: Fatal — clip generation / merge failures that abort the pipeline
 * - MEDIUM: Non-fatal — transition / frame-extraction failures that degrade
 *   to a hard cut but do not abort the pipeline
 *
 * @module adapters/video/directorPipeline
 */
import type { DirectorModeOptions, DirectorSegment, VideoGenerationResult, VideoOutputOptions } from "../../types/multimodal.js";
/** Default timeout for entire Director Mode pipeline (10 minutes) */
export declare const DIRECTOR_PIPELINE_TIMEOUT_MS = 600000;
/**
 * Execute the full Director Mode pipeline.
 *
 * Pipeline stages:
 * 1. Parallel clip generation (concurrency = 2, circuit breaker after 2 failures)
 * 2. Parallel frame extraction + transition generation
 * 3. Sequential merge into single MP4
 *
 * @param segments - Array of DirectorSegment objects (2-10)
 * @param videoOptions - Video output options (resolution, length, aspectRatio, audio)
 * @param directorOptions - Director Mode options (transition prompts/durations)
 * @param region - Vertex AI region override
 * @returns VideoGenerationResult with merged video and Director metadata
 */
export declare function executeDirectorPipeline(segments: DirectorSegment[], videoOptions?: VideoOutputOptions, directorOptions?: DirectorModeOptions, region?: string): Promise<VideoGenerationResult>;
