/**
 * Aspect-ratio reformat presets for short-form / vertical / square exports.
 *
 * Used by the `reformat_timeline` tool to derive the FCPXML format spec
 * (width × height) for a new timeline. The tool then emits an FCPXML that
 * imports as a fresh timeline at the target aspect; the user's NLE handles
 * the actual reframing (Resolve Smart Reframe, Premiere Auto Reframe).
 *
 * The chosen base resolutions are the platform-canonical defaults:
 *   - 9:16  → 1080×1920 (TikTok / Reels / Shorts)
 *   - 1:1   → 1080×1080 (Instagram feed)
 *   - 4:5   → 1080×1350 (Instagram portrait feed)
 *   - 16:9  → 1920×1080 (long-form horizontal)
 *   - 4:3   → 1440×1080 (legacy / old-school cuts)
 */
export type ReformatPreset = "9:16" | "1:1" | "4:5" | "16:9" | "4:3";
export interface ReformatSpec {
    preset: ReformatPreset;
    width: number;
    height: number;
    /** Suggested label for use in clip / sequence names. */
    label: string;
}
export declare function reformatSpec(preset: ReformatPreset): ReformatSpec;
export declare const REFORMAT_PRESETS: ReformatPreset[];
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