import { InjectionKey, Slot } from 'vue';
import type { Node, DropPosition, TreeNodeKey, TreeProps, Key2TreeNode, FilterTreeNode } from './interface';
export declare const TreeInjectionKey: InjectionKey<TreeContext>;
export declare type TreeContext = Readonly<{
    treeProps: TreeProps;
    switcherIcon?: Slot;
    loadingIcon?: Slot;
    nodeIcon?: Slot;
    dragIcon?: Slot;
    nodeTitle?: Slot;
    nodeExtra?: Slot;
    treeData: Node[];
    flattenTreeData: Node[];
    key2TreeNode: Key2TreeNode;
    checkedKeys: TreeNodeKey[];
    filterTreeNode?: FilterTreeNode;
    indeterminateKeys: TreeNodeKey[];
    selectedKeys: TreeNodeKey[];
    expandedKeys: TreeNodeKey[];
    loadingKeys: TreeNodeKey[];
    currentExpandKeys: TreeNodeKey[];
    onLoadMore?: (key: TreeNodeKey) => void;
    onCheck: (checked: boolean, key: TreeNodeKey, e?: Event) => void;
    onSelect: (key: TreeNodeKey, e: Event) => void;
    onExpand: (expanded: boolean, key: TreeNodeKey, e?: Event) => void;
    onExpandEnd: (key: TreeNodeKey) => void;
    onDragStart?: (key: TreeNodeKey, e: DragEvent) => void;
    onDragEnd?: (key: TreeNodeKey, e: DragEvent) => void;
    onDragOver?: (key: TreeNodeKey, e: DragEvent) => void;
    onDragLeave?: (key: TreeNodeKey, e: DragEvent) => void;
    onDrop?: (key: TreeNodeKey, dropPosition: DropPosition, e: DragEvent) => void;
    allowDrop?: (key: TreeNodeKey, dropPosition: DropPosition) => boolean;
}>;