Interface Timeline

interface Timeline {
    _fields: <T extends BaseNode>(
        this: T,
    ) => NodeFieldDef<T, Extract<keyof T, string>>[];
    _fieldsByKey: <T extends BaseNode>(
        this: T,
    ) => Partial<Record<string | number | symbol, NodeFieldDef<T>>>;
    _insertKeyframeAtTime: (
        key: string,
        value: unknown,
        time: Rational,
        index?: number,
    ) => void;
    _is_edit_view?: boolean;
    _positionChildAt: (node: AnyTrack, index: number) => void;
    _toggleKeyframesAt: (keys: string[], time: Rational) => void;
    _unlinkChild: (node: AnyTrack) => void;
    "[dispose]": () => void;
    animationMap: Map<string, Animation<unknown>>;
    animations: Partial<Record<string, Animation>>;
    children: AnyTrack[];
    color?: string;
    count: number;
    delete: (deep?: boolean) => void;
    dispose: (deep?: boolean) => void;
    doc: Document;
    effects: EffectList;
    enabled: boolean;
    getLocalTimeOffset: () => Rational;
    head?: AnyTrack;
    id: string;
    index: number;
    isAudio: () => this is AnyAudioNode;
    isClip: () => this is AnyClip;
    isDisposed: boolean;
    isImageClip: () => this is ImageClip;
    isMediaClip: () => this is AnyMediaClip;
    isNode: true;
    isTextClip: () => this is TextClip;
    isTimeline: () => this is Timeline;
    isTrack: () => this is AnyTrack;
    isTrackChild: () => this is AnyClip;
    isVideo: () => this is AnyVideoNode;
    markers?: never[];
    metadata?: Record<string, unknown>;
    move: (position: ChildNodePosition | undefined) => void;
    name?: string;
    next: AnyNode | undefined;
    parent?: undefined;
    prev: AnyNode | undefined;
    remove: () => void;
    search: (
        comparator: (a: AnyTrack) => number,
        value?: undefined,
        from?: number,
        to?: number,
    ) => number;
    tail?: AnyTrack;
    toJSON: () => Schema.Timeline;
    type: "timeline";
}