export type GeometryRect = {
    left: number;
    right: number;
    top: number;
    bottom: number;
};
/**
 * Whether two axis-aligned rects overlap. `tolerance` expands the test
 * rect on every side, so rects that fall a few pixels short of touching
 * (sub-pixel rendering, borders) still count as intersecting.
 */
export declare function isIntersecting(targetRect: GeometryRect, destinationRect: GeometryRect, { tolerance }?: {
    tolerance?: number;
}): boolean;
/**
 * Whether `targetRect` wholly contains `testRect`.
 */
export declare function isRectEnclosing(targetRect: GeometryRect, testRect: GeometryRect): boolean;