import type { DragDropMonitor, DragSource, Identifier } from 'dnd-core';
import type { Connector } from '../../internals/index.js';
import type { DragSourceMonitor } from '../../types/index.js';
import type { DragSourceHookSpec } from '../types.js';
export declare class DragSourceImpl<O, R, P> implements DragSource {
    spec: DragSourceHookSpec<O, R, P>;
    private monitor;
    private connector;
    constructor(spec: DragSourceHookSpec<O, R, P>, monitor: DragSourceMonitor<O, R>, connector: Connector);
    beginDrag(): NonNullable<O> | null;
    canDrag(): boolean;
    isDragging(globalMonitor: DragDropMonitor, target: Identifier): boolean;
    endDrag(): void;
}