import type { EpisodeScript, GenerationPlan, ShotScript, SeriesState, VideoModelDefaults } from '../series/types.js';
export declare function parseShotDuration(duration: string): number;
/**
 * A shot must render as a single exact-lip-sync clip only when the series
 * explicitly selected `audioStrategy: 'lip-sync'`, it has dialogue from a
 * visible non-narrator, and motion is not high. Native dialogue stays on the
 * selected R2V family and may use voice-donor references.
 *
 * High-motion dialogue stays on the R2V model for identity preservation — the
 * audio-driven lanes prioritize motion over reference adherence.
 */
export declare function mustRenderAsExactLipSync(shot: ShotScript, videoDefaults?: VideoModelDefaults): boolean;
/**
 * @deprecated Renamed to `mustRenderAsExactLipSync` once lip-sync stopped
 * meaning "Wan 2.7". Kept so external importers keep compiling.
 */
export declare const mustStayAsWanLipSync: typeof mustRenderAsExactLipSync;
/**
 * Does the planner expect this shot to render with the Seedance R2V keyframe
 * pipeline? True when the shot must render as an exact-lip-sync clip on a
 * model that takes no reference images, has at least one character, and
 * neither the series nor the shot opts out. See AGENTS.md rule 32.
 *
 * A reference-capable lip-sync model (Seedance or MiniMax H3 R2V) skips the
 * pre-pass entirely — it already anchors identity from the reference stack,
 * so the extra render would just double the cost.
 */
export declare function shouldUseSeedanceKeyframe(shot: ShotScript, videoDefaults?: VideoModelDefaults): boolean;
export declare function buildGenerationPlan(script: EpisodeScript, series?: Pick<SeriesState, 'videoDefaults'>): GenerationPlan;
export declare function saveGenerationPlan(episodeDir: string, plan: GenerationPlan): Promise<string>;
export declare function loadGenerationPlan(episodeDir: string): Promise<GenerationPlan | null>;
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