import { ElementScroll, ElementSize, GridListCell, GridListRenderData } from './interface';
export declare function isSameElementSize(a: ElementSize, b: ElementSize): boolean;
export declare function getWindowSize(): ElementSize;
export declare function getElementSize(element: Element): ElementSize;
export declare function isSameElementScroll(a: ElementScroll, b: ElementScroll): boolean;
export declare function getWindowScroll(): ElementScroll;
export declare function getElementOffset(element: Element): number;
export declare function getColumnWidth(columnCount: number | null, gridGap: number | null, elementWidth: number | null): number;
export declare function getGridRowStart<P>(cell: GridListCell<P>, renderData: GridListRenderData<P> | null): string;