interface SelectionDimension {
    rectangleStart: number;
    rectangleEnd: number;
    selectionStart: number;
    selectionEnd: number;
}
interface RectangleSelection {
    x: SelectionDimension;
    y?: SelectionDimension;
}
/**
 * Determines if a rectangle is selected based on its position and the selection boundaries.
 * Y dimensions are optional to allow horizontal-only selection logic.
 */
export declare function isRectangleSelected({ x, y }: RectangleSelection): boolean;
export {};