export declare const windowWidth: number, windowHeight: number;
export declare const scale: (size: number, skipAspectRatio?: boolean) => number;
export declare const verticalScale: (size: number, skipAspectRatio?: boolean) => number;
export declare const moderateScale: (size: number, skipAspectRatio?: boolean, factor?: number) => number;
export declare const isAndroid: boolean;
export declare const STATUS_BAR_OFFSET: number;