import { Component, ComponentType } from 'react';
import { Primitive } from 'tslang';
import { FormControlProps } from '../form.doc';
import { InputSize } from '../input';
export interface SearchSelectValueObject {
    key?: string | number;
    text?: string;
}
export interface SearchSelectChangeEvent<T> {
    value: T | undefined;
}
export declare type SearchSelectDataSource<T> = SearchSelectDataSourceFunction<T>;
export declare type SearchSelectDataSourceFunction<T> = (searchText: string) => Promise<T[]>;
export interface SearchSelectProps<T extends Primitive | SearchSelectValueObject> extends FormControlProps<T> {
    className?: string;
    /**
     * 用于展示 Value 的自定义组件, 如果没有传入该属性, 默认显示一个文本组件.
     *
     * 对于默认组件的文本信息, 如果 value 的值为 `string` | `number` | `boolean`则
     * 以字符串的形式显示该值, 如果 value 的类型为 `object`, 则显示该对象的`text`
     * 属性, 如对象没有 `text` 属性或 value 为其他类型, 则显示空字符串.
     *
     */
    optionComponent?: ComponentType<SearchSelectOptionProps<T>>;
    displayComponent?: ComponentType<SearchSelectDisplayComponentProps<T>>;
    /**
     * Placeholder when the value is `empty`
     */
    placeholder?: string;
    /**
     * A data source to request values.
     */
    dataSource: SearchSelectDataSource<T>;
    /**
     * Input size
     */
    size?: InputSize;
    /**
     * Called on selected a item.
     */
    onChange?(event: SearchSelectChangeEvent<T>): void;
}
export interface ISearchSelect<T> extends Component<SearchSelectProps<T>> {
}
export interface SearchSelectOptionProps<T> {
    value: T;
    active: boolean;
}
export interface ISearchSelectOption<T> extends Component<SearchSelectOptionProps<T>> {
}
export interface SearchSelectDisplayComponentProps<T> {
    value: T;
    size?: InputSize;
}