import { ReactNode, CSSProperties } from 'react';
import { TreeDataType, NodeProps, TreeProps } from '../Tree/interface';
import { TriggerProps } from '../Trigger';
import { SelectViewCommonProps } from '../_class/select-view';
export declare type TreeSelectDataType = TreeDataType & {
    value?: string;
};
export declare type LabelValue = {
    label: ReactNode;
    value: string;
    disabled?: boolean;
};
/**
 * @title TreeSelect
 */
export interface TreeSelectProps extends SelectViewCommonProps {
    /**
     * @zh 是否多选
     * @en Whether to select multiple
     */
    multiple?: boolean;
    /**
     * @zh 选择框的默认值
     * @en The key of node selected by default
     */
    defaultValue?: string | string[] | {
        label: ReactNode;
        value: string;
        disabled?: boolean;
    } | {
        label: ReactNode;
        value: string;
        disabled?: boolean;
    }[];
    /**
     * @zh 选中值
     * @en The key of the selected node
     */
    value?: string | string[] | {
        label: ReactNode;
        value: string;
        disabled?: boolean;
    } | {
        label: ReactNode;
        value: string;
        disabled?: boolean;
    }[];
    /**
     * @zh
     * 定制回显内容。返回值将会显示在下拉框内。若 `value` 对应的 `Option` 不存在，则第一个参数是 null
     * @en
     * Customize the content that will be displayed in the Select.
     * If the `Option` corresponding to `value` does not exist, the first parameter will be `null`
     * @version 2.46.0
     */
    renderFormat?: (option: NodeProps | null, value: string | LabelValue) => ReactNode;
    /**
     * @zh 输入框搜索文本的受控值
     * @en To set input search value
     * @version 2.39.0
     */
    inputValue?: string;
    /**
     * @zh 指定 key，title，isLeaf，disabled，children 对应的字段
     * @en Custom field name for key, title, isLeaf, disabled and children
     * @defaultValue DefaultFieldNames
     * @version 2.11.0
     */
    fieldNames?: TreeProps['fieldNames'];
    /**
     * @zh 数据
     * @en The data of tree
     */
    treeData?: TreeSelectDataType[];
    /**
     * @zh 设置 value 格式。默认是 `string`，设置为 `true` 时候，value 格式为： `{ label: string, value: string }`
     * @en Setting value format.The default is `string`, when set to `true`, the value format will turn to: `{ label: string, value: string }`
     */
    labelInValue?: boolean;
    /**
     * @zh 是否在隐藏之后销毁 DOM 结构
     * @en Whether to destroy the DOM after hiding
     */
    unmountOnExit?: boolean;
    /**
     * @zh 是否展示复选框
     * @en Whether to show checkbox
     */
    treeCheckable?: boolean;
    /**
     * @zh 树选项是否严格选中。设置为`true`时候，表示严格选中，不与父节点关联；设置为`false`时候，表示非严格选中，与父节点关联变化
     * @en Whether the tree option strictly selected. When set to 'true', it means strictly selected and not associated with the parent node; When set to 'false', it means that it is not strictly selected and is associated with changes in the parent node
     */
    treeCheckStrictly?: boolean;
    /**
     * @zh 定制回显方式
     * @en Customize the return value
     * @defaultValue all
     */
    treeCheckedStrategy?: TreeProps['checkedStrategy'];
    /**
     * @zh 可以接受所有 [Tree](/react/components/tree) 组件的参数
     * @en The props of the [Tree](/react/components/tree) component
     */
    treeProps?: Partial<TreeProps>;
    /**
     * @zh 可以接受所有 Trigger 组件的参数
     * @en The props of the `Trigger` component
     */
    triggerProps?: Partial<TriggerProps>;
    /**
     * @zh 自定义上方显示元素
     * @en Customize the trigger element
     * @version `() => ReactNode` in 2.31.0
     */
    triggerElement?: ReactNode | ((params: {
        value: any;
    }) => ReactNode);
    /**
     * @zh 是否显示边框
     * @en Whether show border
     * @defaultValue true
     */
    bordered?: boolean;
    /**
     * @zh 没有数据时显示的内容
     * @en The content display when no data
     */
    notFoundContent?: ReactNode;
    /**
     * @zh 控制下拉框的展开收起
     * @en Whether the popup is visible or not
     */
    popupVisible?: boolean;
    /**
     * @zh 设置下拉框样式
     * @en The additional css style for dropdown menu
     * @version 2.3.0
     */
    dropdownMenuStyle?: CSSProperties;
    /**
     * @zh 自定义下拉框展示
     * @en Customize dropdown rendering
     * @version 2.3.0
     */
    dropdownRender?: (dom: ReactNode) => ReactNode;
    /**
     * @zh 选中值改变的回调
     * @en Callback when the selection changed
     * @version `extra` in `2.29.0`
     */
    onChange?: (value: any, extra: {
        trigger?: NodeProps;
        checked?: boolean;
        selected?: boolean;
    }) => void;
    /**
     * @zh 弹出框挂载的父节点
     * @en The parent node of the popup
     */
    getPopupContainer?: (node: HTMLElement) => Element;
    /**
     * @zh 下拉框收起展开时触发
     * @en Callback when the visibility of the popup is changed
     */
    onVisibleChange?: (visible: boolean) => void;
    /**
     * @zh
     * 根据输入的值筛选数据。接收 `inputText` 和 `treeNode` 两个参数，当 `option` 符合筛选条件时，返回 `true`，反之返回 `false`。treeNode 是树节点。
     * @en
     * Filter data based on entered value. Accepted two parameters, inputText and treeNode.
     * When the option matches the filter conditions, it returns true, otherwise it returns false. treeNode is the tree node.
     */
    filterTreeNode?: (inputText: any, treeNode: any) => boolean | void;
    /**
     * @zh 动态加载数据
     * @en Callback when loaded data asynchronously
     */
    loadMore?: (treeNode: NodeProps, dataRef: any) => void;
    /**
     * @zh 自定义搜索方法。未定义的时候将会在已经在数据中进行搜索
     * @en Callback when searching data. When undefined, it will search in the data already
     */
    onSearch?: (inputValue: string) => void;
    /**
     * @zh 输入框搜索文本改变的回调。
     * @en Callback when the search value of input is changed.
     * @version 2.39.0
     */
    onInputValueChange?: (value: string, reason: InputValueChangeReason) => void;
    /**
     * @zh 点击清除时触发，参数是当前下拉框的展开状态。
     * @en Callback when clicked clear, the parameter is the visible state of current dropdown
     */
    onClear?: (visible: boolean) => void;
}
export declare type RefTreeSelectType = {
    focus: () => void;
    blur: () => void;
};
export declare const DefaultFieldNames: {
    key: string;
    title: string;
    children: string;
    selectable: string;
    disabled: string;
    disableCheckbox: string;
    checkable: string;
    isLeaf: string;
};
export declare type InputValueChangeReason = 'manual' | 'optionChecked' | 'optionListHide';