export declare function toArray(children: any): any[];
export declare function getActiveIndex(children: any, activeKey: any): number;
export declare function getActiveKey(children: any, index: any): any;
export declare function setTransform(style: any, v: any): void;
export declare function isTransformSupported(style: any): boolean;
export declare function setTransition(style: any, v: any): void;
export declare function getTransformPropValue(v: any): {
    transform: any;
    WebkitTransform: any;
    MozTransform: any;
};
export declare function isVertical(tabBarPosition: any): boolean;
export declare function getTransformByIndex(index: any, tabBarPosition: any): string;
export declare function getMarginStyle(index: any, tabBarPosition: any): {
    [x: string]: string;
};
export declare function getStyle(el: any, property: any): number;
export declare function setPxStyle(el: any, property: any, value: any): void;