import React from 'react';
import { FormOptionsControl, OptionsControlProps } from '../Form/Options';
import { Option, Options } from '../../components/Select';
/**
 * Nested Select
 * 文档：https://baidu.gitee.io/amis/docs/components/form/nested-select
 */
export interface NestedSelectControlSchema extends FormOptionsControl {
    type: 'nested-select';
}
export interface NestedSelectProps extends OptionsControlProps {
    cascade?: boolean;
    withChildren?: boolean;
}
export interface NestedSelectState {
    isOpened?: boolean;
    isFocused?: boolean;
    inputValue?: string;
    stack: Array<Array<Option>>;
}
export default class NestedSelectControl extends React.Component<NestedSelectProps, NestedSelectState> {
    static defaultProps: Partial<NestedSelectProps>;
    target: any;
    input: HTMLInputElement;
    state: NestedSelectState;
    domRef(ref: any): void;
    open(): void;
    close(): void;
    removeItem(index: number, e?: React.MouseEvent<HTMLElement>): void;
    renderValue(): JSX.Element | JSX.Element[];
    renderClear(): JSX.Element | null;
    clearValue(): void;
    handleOptionClick(option: Option, e: React.MouseEvent<HTMLElement>): void;
    handleCheck(option: Option | Options, index?: number): void;
    allChecked(options: Options): boolean;
    partialChecked(options: Options): boolean;
    reload(): void;
    onFocus(e: any): void;
    onBlur(e: any): void;
    focus(): void;
    blur(): void;
    getTarget(): HTMLElement;
    inputRef(ref: HTMLInputElement): void;
    handleInputChange(evt: React.ChangeEvent<HTMLInputElement>): void;
    renderOptions(): JSX.Element;
    onMouseEnterAll(): void;
    onMouseEnter(option: Option, index: number, e: MouseEvent): void;
    renderOuter(): JSX.Element;
    render(): JSX.Element;
}
export declare class NestedSelectControlRenderer extends NestedSelectControl {
}