export declare const SUPPORT_COMPUTEDSTYLE: boolean;
export declare const IS_IE: boolean;
export declare const SUPPORT_ADDEVENTLISTENER: boolean;
export declare const WIDTH = "width";
export declare const HEIGHT = "height";
export declare const PROPS: readonly ["prefix", "loaders"];
export declare const EVENTS: readonly ["preReadyElement", "readyElement", "error", "preReady", "ready"];