export declare function getLocation(dom: HTMLElement): {
    top: number;
    left: number;
};
export declare type Rem2pxProps = {
    baseWidth?: number;
    baseMobilePx?: number;
    breakPoint?: number;
    pcPx?: number;
};
export declare function rem2px(clientWidth: number, { baseWidth, baseMobilePx, breakPoint, pcPx }?: Rem2pxProps): void;
export declare type Tree = {
    key: string;
    children?: Tree[];
    [key: string]: any;
};
declare type StackItem<T> = {
    path: string[];
    item: T;
};
export declare function findItemByKeyFromForest<T extends Tree>(forest: T[], key: string): StackItem<T> | undefined;
export declare function isFunction<T>(obj: any): obj is T;
export declare function isArray<T>(obj: any): obj is T;
export declare function isSame(data1: any, data2: any): boolean;
export {};