import type { SetupContext } from 'vue';
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import type { treeEmits } from '../virtual-tree';
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import type { CheckboxValueType } from 'element-plus/es/components/checkbox';
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import type { Tree, TreeData, TreeKey, TreeNode, TreeNodeData, TreeProps } from '../types';
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export declare function useTree(props: TreeProps, emit: SetupContext<typeof treeEmits>['emit']): {
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tree: import("vue").ShallowRef<Tree | undefined>;
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flattenTree: import("vue").ComputedRef<TreeNode[]>;
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isNotEmpty: import("vue").ComputedRef<boolean>;
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getKey: (node: TreeNodeData) => TreeKey;
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getChildren: (node: TreeNodeData) => TreeNodeData[];
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toggleExpand: (node: TreeNode) => void;
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toggleCheckbox: (node: TreeNode, isChecked: CheckboxValueType, nodeClick?: boolean) => void;
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isExpanded: (node: TreeNode) => boolean;
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isChecked: (node: TreeNode) => boolean;
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isIndeterminate: (node: TreeNode) => boolean;
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isDisabled: (node: TreeNode) => boolean;
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isCurrent: (node: TreeNode) => boolean;
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isForceHiddenExpandIcon: (node: TreeNode) => boolean;
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handleNodeClick: (node: TreeNode, e: MouseEvent) => void;
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handleNodeCheck: (node: TreeNode, checked: CheckboxValueType) => void;
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getCurrentNode: () => TreeNodeData | undefined;
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getCurrentKey: () => TreeKey | undefined;
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setCurrentKey: (key: TreeKey) => void;
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getCheckedKeys: (leafOnly?: boolean) => TreeKey[];
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getCheckedNodes: (leafOnly?: boolean) => TreeNodeData[];
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getHalfCheckedKeys: () => TreeKey[];
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getHalfCheckedNodes: () => TreeNodeData[];
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setChecked: (key: TreeKey, isChecked: boolean) => void;
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setCheckedKeys: (keys: TreeKey[]) => void;
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filter: (query: string) => void;
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setData: (data: TreeData) => void;
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getNode: (data: TreeKey | TreeNodeData) => TreeNode | undefined;
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expandNode: (node: TreeNode) => void;
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collapseNode: (node: TreeNode) => void;
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setExpandedKeys: (keys: TreeKey[]) => void;
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};
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