export declare function detectIE(): boolean;
export declare function detectEdge(): boolean;
export declare const mapsForIE: {
    [key: string]: any;
};
export declare function loadWGXpath_(opt_isEdge?: boolean): void;
export declare function installWGXpath_(opt_isEdge?: boolean, opt_count?: number): void;
export declare function loadMapsForIE_(): void;
export declare function loadScript(src: string): void;
