import React from "react";
export interface Value {
    /**
     * 唯一标识
     */
    key?: string;
    /**
     * 属性展示值
     */
    name: string;
}
export interface AttributeRenderProps {
    /**
     * 当前输入值
     */
    inputValue: string;
    /**
     * 监听某些操作键位被按下
     * @since 2.7.0
     */
    onOperationalKeyDown?: (listener: (key: "ArrowDown" | "ArrowUp" | "Enter" | "Tab") => void) => void;
    /**
     * 确认选择
     */
    onSelect: (value: Value[]) => void;
    /**
     * 取消
     */
    onCancel: () => void;
}
export declare type AttributeType = "input" | "single" | "multiple" | "render";
export declare type AttributeTypeOptions = ["input", {}] | ["render", {}] | ["single", {
    /**
     * 是否启用搜索
     * @default false
     * @since 2.5.0
     */
    searchable?: boolean;
    /**
     * 无可选项时提示内容
     */
    emptyText?: React.ReactNode;
}] | ["multiple", {
    /**
     * 是否开启全选
     * @default true
     */
    all?: boolean;
    /**
     * 是否启用搜索
     * @default false
     * @since 2.5.0
     */
    searchable?: boolean;
    /**
     * 无可选项时提示内容
     */
    emptyText?: React.ReactNode;
}];
export interface AttributeValue {
    /**
     * 为资源属性需求值的类型
     *
     * 可使用数组形式进行详细配置，如：
     *
     * ```js
     * ["multiple", { all: true }]
     * ```
     *
     * 其中：
     *
     *`"single"`：
     *  - `searchable` 是否启用搜索
     *  - `emptyText` 无可选项时提示内容
     *  - `virtual` 是否启用虚拟滚动
     *  - `listWidth` 列表宽度，启用虚拟滚动后无法自适应宽度
     *
     *`"multiple"`：
     *  - `all` 是否启用全选
     *  - `searchable` 是否启用搜索
     *  - `emptyText` 无可选项时提示内容
     *  - `virtual` 是否启用虚拟滚动
     *  - `listWidth` 列表宽度，启用虚拟滚动后无法自适应宽度
     *
     * @docType "input" | "single" | "multiple" | "render" | [AttributeType, AttributeOptions]
     */
    type: AttributeType | AttributeTypeOptions;
    /**
     * 属性的唯一标识，会在结果中返回
     */
    key: string;
    /**
     * 资源属性值名称
     */
    name: string;
    /**
     * 资源属性可用值
     * @docType Value[] | (() => Value[]) | (() => Promise<Value[]>)
     */
    values?: Value[] | (() => Value[]) | (() => Promise<Value[]>);
    /**
     * 该属性是否可重复选择
     * @default false
     */
    reusable?: boolean;
    /**
     * 该属性是否可移除
     * @default true
     */
    removeable?: boolean;
    /**
     * 自定义渲染
     */
    render?: (props: AttributeRenderProps) => React.ReactNode;
}
export interface AttributeSelectProps {
    attributes: AttributeValue[];
    inputValue: string;
    onSelect?: (attribute: AttributeValue) => void;
    maxHeight: number;
}
export interface AttributeSelectState {
    select: number;
    lastInputValue: string;
}
export declare class AttributeSelect extends React.Component<AttributeSelectProps, AttributeSelectState> {
    static contextType: React.Context<import("./TagSearchBoxContext").TagSearchBoxContextValue>;
    state: AttributeSelectState;
    static getDerivedStateFromProps(props: AttributeSelectProps, state: AttributeSelectState): {
        select: number;
        lastInputValue: string;
    };
    handleKeyDown: (keyCode: number) => boolean;
    getUseableList(): Array<AttributeValue>;
    getAttribute(select: number): AttributeValue;
    move: (step: number) => void;
    handleClick: (e: React.MouseEvent, index: number) => void;
    render(): JSX.Element;
}