export declare function makeChain(...fns: any[]): any;
export declare function px2rpx(val: any): number;
export declare function stopPropagation(e: any): void;
export declare function getDataSourceFromChildren(children: any): any;
export declare function getDataSource(dataSource: any, children: any): any;
export declare function mergeDataSource(ds1: any, ds2: any): any[];