import { TabBarPosition } from './shared';
export declare function setTransform(style: CSSStyleDeclaration, v: string): void;
export declare function isTransform3dSupported(style: CSSStyleDeclaration): false | (((data: string) => string) & typeof atob);
export declare const isVertical: (tabBarPosition: TabBarPosition) => boolean;
export declare function getStyle(el: Element, property: string): number;