/**
 * GIF options.
 **/
export declare type GifOptions = {
    /**
     * Cumulative drawing mode - do not clear previous frame appearance.
     **/
    cumulative?: boolean;
    /**
    * Maximum image buffer length to load.
    * The image buffer length is calculated as follows:
    * `NumFrames * image.height * image.width * 4`.
    * If the GIF image exceeds this value, only the first frame will be loaded.
    * The default and maximum value is 2145386496.
    **/
    maxBufferLength?: number;
    /**
     * Play/stop animation on mouse over/out.
     **/
    playOnHover?: boolean;
    /**
     * Play/stop animation on mouse click.
     **/
    playOnClick?: boolean;
    /**
     * Automatically play video when a GIF image contains more than one frame.
     **/
    autoPlay?: boolean;
    /**
     * Animation speed.
     * The delay between frames will be divided by the value specified in the "speed" setting.
     * The lower the value, the slower the animation will run.
     * The higher the value, the faster the animation runs.
     * @default 1
     * @example
     * ```javascript
     * // Slowing down the animation by two times:
     * var viewer = new GcImageViewer("#root", {
     *    gifOptions: { speed: 0.5 }
     * });
     * ```
     * @example
     * ```javascript
     * // Animation acceleration by two times::
     * var viewer = new GcImageViewer("#root", {
     *    gifOptions: { speed: 2 }
     * });
     * ```
     **/
    speed?: number;
};