import { DateStringValue, ScheduleEventData } from '../types';
export interface DropTarget {
    /** Target date in YYYY-MM-DD format */
    date: DateStringValue;
    /** Target time in HH:mm:ss format (for DayView/WeekView) */
    time?: string;
    /** Target slot index (for DayView/WeekView) */
    slotIndex?: number;
}
export interface DragState {
    /** Whether an event is currently being dragged */
    isDragging: boolean;
    /** ID of the event being dragged */
    draggedEventId: string | number | null;
    /** The event being dragged */
    draggedEvent: ScheduleEventData | null;
    /** Current drop target information */
    dropTarget: DropTarget | null;
}
export interface UseDragStateReturn {
    /** Current drag state */
    state: DragState;
    /** Start dragging an event */
    startDrag: (event: ScheduleEventData) => void;
    /** End dragging */
    endDrag: () => void;
    /** Set the current drop target */
    setDropTarget: (target: DropTarget | null) => void;
    /** Clear the drop target */
    clearDropTarget: () => void;
}
export declare function useDragState(): UseDragStateReturn;