/**
 * dd-manager.ts 13.0.0
 * Copyright (c) 2021-2025 Alain Dumesny - see GridStack root license
 */
import { DDDraggable } from './dd-draggable';
import { DDDroppable } from './dd-droppable';
import { DDResizable } from './dd-resizable';
/**
 * Global state manager for all Drag & Drop instances.
 *
 * This class maintains shared state across all drag & drop operations,
 * ensuring proper coordination between multiple grids and drag/drop elements.
 * All properties are static to provide global access throughout the DD system.
 */
export declare class DDManager {
    /**
     * Controls drag operation pausing behavior.
     * If set to true or a number (milliseconds), dragging placement and collision
     * detection will only happen after the user pauses movement.
     * This improves performance during rapid mouse movements.
     */
    static pauseDrag?: boolean | number;
    /**
     * Flag indicating if a mouse down event was already handled.
     * Prevents multiple handlers from processing the same mouse event.
     */
    static mouseHandled?: boolean;
    /**
     * The timeStamp of the mousedown event that set mouseHandled.
     * Used to distinguish stale state (from a prior incomplete drag) from
     * a bubbled event of the current mousedown (which should not reset the flag).
     */
    static mouseHandledTimeStamp?: number;
    /**
     * Reference to the element currently being dragged.
     * Used to track the active drag operation across the system.
     */
    static dragElement?: DDDraggable;
    /**
     * Reference to the drop target element currently under the cursor.
     * Used to handle drop operations and hover effects.
     */
    static dropElement?: DDDroppable;
    /**
     * Reference to the element currently being resized.
     * Helps ignore nested grid resize handles during resize operations.
     */
    static overResizeElement?: DDResizable;
}