/**
 * ColumnDetectionUtils - Shared utility for column detection and caching
 * Used by both DragDropManager and AllDayManager for consistent column detection
 */
import { IMousePosition } from "../types/DragDropTypes";
export interface IColumnBounds {
    date: string;
    left: number;
    right: number;
    boundingClientRect: DOMRect;
    element: HTMLElement;
    index: number;
}
export declare class ColumnDetectionUtils {
    private static columnBoundsCache;
    /**
     * Update column bounds cache for coordinate-based column detection
     */
    static updateColumnBoundsCache(): void;
    /**
     * Get column date from X coordinate using cached bounds
     */
    static getColumnBounds(position: IMousePosition): IColumnBounds | null;
    /**
     * Get column bounds by Date
     */
    static getColumnBoundsByDate(date: Date): IColumnBounds | null;
    static getColumns(): IColumnBounds[];
    static getHeaderColumns(): IColumnBounds[];
}