export declare function isIphoneX(): boolean;
export declare function ifIphoneX<T>(iphoneXStyle: T, regularStyle: T): T;
export declare function getStatusBarHeight(safe: boolean): number;
export declare function getBottomSpace(): number;
export declare function RFPercentageNative(percent: number): number;
export declare function RFValueNative(fontSize: number, standardScreenHeight?: number): number;