export declare class Mp4Parser {
    private uri;
    private file;
    private edits;
    private decoderConfig?;
    private startTime;
    private targetFps;
    private nextSegment;
    private sampler?;
    constructor(uri: string, targetFps: number, startTime: number);
    start(): Promise<void>;
    getNextFrame(): Promise<VideoFrame>;
    private getSecondDurationOfSegment;
    getDuration(): number;
    private getTimeSubtractingFrames;
    getTime(): number;
    getLastTime(): number;
    getLastFrame(): VideoFrame | undefined;
    close(): void;
}
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