interface Options {
    ratio?: {
        base?: {
            pc?: number;
            pad?: number;
            phone?: number;
        };
    };
}
export declare function setRatio(options?: Options): void;
export declare function getMedia(options?: Options): "pc" | "pad" | "phone";
export declare function setMedia(options?: Options): void;
export declare function getEm(): number;
export declare function commitTouchReport(detail: any): void;
export {};