export declare const getActualTrimLeft: ({ fps, trimLeftOffset, seamless, assetDuration, audioStartFrame, trimLeft, playbackRate, }: {
    trimLeft: number;
    audioStartFrame: number;
    fps: number;
    trimLeftOffset: number;
    seamless: boolean;
    assetDuration: number | null;
    playbackRate: number;
}) => {
    trimLeft: number;
    maxTrim: number | null;
};