import React, { Component } from 'react';
import { CascaderProps, CascaderState, OptionType, CascaderOption } from './iCascader.js';
declare class Cascader extends Component<CascaderProps, CascaderState> {
    constructor(props: CascaderProps);
    input?: HTMLInputElement;
    menuAddEvent: any;
    matchingoptions: any;
    componentWillReceiveProps(nextProps: CascaderProps): void;
    componentWillUnmount(): void;
    getPopupContainerDom: (dom: HTMLElement) => HTMLElement;
    getFilledFieldNames(): {
        children: string;
        label: string;
        value: string;
    };
    getEmptyNode(names: any, notFoundContent: string): {
        [x: number]: string | JSX.Element;
        disabled: boolean;
        isEmptyNode: boolean;
    };
    defaultDisplayRender(label: (string | number)[] | OptionType[]): string | undefined;
    getLabel(): React.ReactNode;
    saveInput(node: HTMLInputElement): void;
    setDomFieldid: () => void;
    setFieleid: () => void;
    menuMouseoverHandle: () => void;
    handleChange(value: Array<string>, selectedOptions: CascaderOption[]): void;
    setValue: (value: Array<string>, selectedOptions?: CascaderOption[]) => void;
    handlePopupVisibleChange(popupVisible: boolean): void;
    clearSelection(e: React.MouseEvent<HTMLElement>): void;
    handleKeyDown: (e: React.KeyboardEvent<HTMLInputElement>) => void;
    handleInputChange(e: string): void;
    handleInputBox(): void;
    getPopupPlacement(direction?: string): string;
    handleInputClick(e: React.MouseEvent<HTMLInputElement>): void;
    handleInputBlur(): void;
    highlightKeyword(str: string, keyword: string, prefixCls: string | undefined): (string | (string | JSX.Element)[])[];
    defaultFilterOption(inputValue: string, path: CascaderOption[]): boolean;
    defaultRenderFilteredOption(inputValue: string, path: CascaderOption[]): any[];
    defaultSortFilteredOption(a: CascaderOption[], b: CascaderOption[], inputValue: string): number;
    flattenTree(options?: CascaderOption[] | undefined, props?: Readonly<CascaderProps> & Readonly<{
        children?: React.ReactNode;
    }>, ancestor?: never[]): CascaderOption[];
    generateFilteredOptions(prefixCls: string): any;
    focus(): void;
    blur(): void;
    render(): JSX.Element;
}
export default Cascader;