import type { TreeNode } from './tree-node.svelte';
export type TreeNodeDragConfig = {
    /** This node's own drag type (e.g. `'folder'`, `'jpeg'`). */
    dragZone: string;
    /** Drag types this node accepts dropped into it (e.g. a folder accepts `['folder', 'jpeg', 'mp3']`; a file accepts `[]`). */
    acceptZones: string[];
    onNodeMovedToFolder: (params: TreeNodeMoveToFolderCallbackParams) => void;
};
export type TreeNodeMoveToFolderCallbackParams = {
    movedNode: TreeNode;
    targetFolder: TreeNode;
};
export declare const DraggingNodeState: {
    draggingNode: TreeNode | null;
    dragOverNode: TreeNode | null;
};