import { MonitorBase } from './monitor-base';
/** The monitor available in {@link DropTarget}'s listen method. */
export interface DropTargetMonitor<Item = unknown, DropResult = unknown> extends MonitorBase<Item> {
    /**
     * Returns `true` if there is a drag operation in progress, and the owner's
     * `canDrop()` returns true or is not defined.
     */
    canDrop(): boolean;
    /**
     * Returns `true` if there is a drag operation in progress, and the pointer
     * is currently hovering over the owner. You may optionally pass
     * `{ shallow: true }` to strictly check whether only the owner is being
     * hovered, as opposed to a nested target.
     */
    isOver(options?: {
        shallow: boolean;
    }): boolean;
    /**
     * Returns a plain object representing the last recorded drop result. The
     * drop targets may optionally specify it by returning an object from their
     * `drop()` methods. When a chain of `drop()` is dispatched for the nested
     * targets, bottom up, any parent that explicitly returns its own result
     * from `drop()` overrides the drop result previously set by the child.
     * Returns `null` if called outside `drop()`.
     */
    getDropResult(): DropResult;
    /**
     * Returns true if some drop target has handled the drop event, false
     * otherwise. Even if a target did not return a drop result, didDrop()
     * returns true. Use it inside drop() to test whether any nested drop
     * target has already handled the drop. Returns false if called outside
     * drop().
     */
    didDrop(): boolean;
}