export type GUIControlOptions = {
    min?: number;
    max?: number;
    /**
     * Interpret an array as color.
     */
    type?: "color";
    /**
     * Display a color as values of a pex-color color space.
     */
    colorSpace?: string;
    /**
     * Add a 4th slider for colors.
     */
    alpha?: boolean;
    /**
     * Draw a palette image as color picker.
     */
    palette?: HTMLImageElement;
    /**
     * Should be 1 for dynamic cubemaps and -1 for cubemaps from file with X axis flipped.
     */
    flipEnvMap?: boolean;
    /**
     * Flip texture 2D vertically.
     */
    flipY?: boolean;
    /**
     * Level of detail for cube textures.
     */
    level?: number;
};
export type GUIOptions = {
    pixelRatio?: boolean;
    /**
     * See [theme file]{@link https://github.com/pex-gl/pex-gui/blob/main/theme.js} for all options.
     */
    theme?: boolean;
    scale?: number;
    /**
     * Adapts to canvas dimension.
     */
    responsive?: boolean;
};
export type ctx = any;