import * as React from 'react';
import type { BuildInPlacements, TriggerProps } from 'rc-trigger';
import { SizeType } from '../config-provider/SizeContext';
import { TooltipPlacement } from '../tooltip';
import { CascaderLocaleOmit } from './index';
export interface CascaderFieldNames {
    value?: string | number;
    label?: string;
    children?: string;
}
export interface FilledFieldNamesType {
    value: string | number;
    label: string;
    children: string;
}
export type CascaderValueType = (string | number)[];
export type CascaderMultiValueType = (string | number | CascaderValueType)[];
export type CascaderMultiModeType = 'multiple';
export interface CascaderOption {
    value?: string | number;
    label?: React.ReactNode;
    disabled?: boolean;
    isLeaf?: boolean;
    loading?: boolean;
    children?: CascaderOption[];
    titlePlacement?: TooltipPlacement;
    title?: React.ReactNode;
    [key: string]: any;
}
export interface CascaderProps extends Pick<TriggerProps, 'getPopupContainer'> {
    value?: CascaderMultiValueType;
    defaultValue?: CascaderMultiValueType;
    initialActiveValue?: CascaderMultiValueType;
    mode?: CascaderMultiModeType;
    size?: SizeType;
    options?: CascaderOption[];
    originOptions?: CascaderOption[];
    keyword?: string;
    popupVisible?: boolean;
    disabled?: boolean;
    virtual?: boolean;
    transitionName?: string;
    popupClassName?: string;
    popupPlacement?: string;
    prefixCls?: string;
    dropdownMenuColumnStyle?: React.CSSProperties;
    dropdownRender?: (menus: React.ReactElement) => React.ReactElement;
    dropdownMenuRender?: (menu: React.ReactElement, menuIndex: number, hoveredValue: CascaderValueType) => React.ReactNode;
    builtinPlacements?: BuildInPlacements;
    loadData?: (selectOptions: CascaderOption[]) => void;
    changeOnSelect?: boolean;
    children?: React.ReactElement;
    expandTrigger?: string;
    fieldNames?: CascaderFieldNames;
    expandIcon?: React.ReactNode;
    loadingIcon?: React.ReactNode;
    withCheckAll?: boolean;
    locale?: CascaderLocaleOmit;
    onKeyDown?: (e: React.KeyboardEvent<HTMLElement>) => void;
    onChange?: (value: CascaderMultiValueType, selectOptions: CascaderOption[]) => void;
    onPopupVisibleChange?: (popupVisible: boolean) => void;
    onDropdownMenuScroll?: (e: React.UIEvent<HTMLUListElement>, menuIndex: number) => void;
}
interface CascaderState {
    popupVisible?: boolean;
    activeValue?: CascaderValueType;
    hoveredValue?: CascaderValueType;
    prevProps?: CascaderProps;
}
declare class Cascader extends React.Component<CascaderProps, CascaderState> {
    defaultFieldNames: Record<string, unknown>;
    trigger: any;
    constructor(props: CascaderProps);
    static defaultProps: CascaderProps;
    static getDerivedStateFromProps(nextProps: CascaderProps, prevState: CascaderState): CascaderState;
    getPopupDOMNode(): any;
    getFieldName(name: string): string;
    getFieldNames(): CascaderFieldNames;
    getActiveOptions(activeValue: CascaderValueType, options?: CascaderOption[]): CascaderOption[];
    getCurrentLevelOptions(): CascaderOption[];
    getTotalValues(options?: CascaderOption[]): any[][];
    getEnableValues(options?: CascaderOption[]): any[][];
    getDisabledValues(): any[][];
    setPopupVisible: (popupVisible: boolean) => void;
    handleChange: (options: CascaderOption[], { visible }: {
        visible: any;
    }, e: React.KeyboardEvent<HTMLElement>) => void;
    handlePopupVisibleChange: (popupVisible: boolean) => void;
    handleMenuSelect: (targetOption: CascaderOption, menuIndex: number, e: React.KeyboardEvent<HTMLElement>) => void;
    handleMenuMultiSelect: (targetOption: CascaderOption, _menuIndex: number, optionKey: CascaderValueType, e: any) => void;
    handleMenuMultiSelectAll: (e: any) => void;
    handleActiveValueSet: (activeValue: any) => void;
    handleItemDoubleClick: () => void;
    handleKeyDown: (e: React.KeyboardEvent<HTMLElement>) => void;
    saveTrigger: (node: any) => void;
    render(): React.JSX.Element;
}
export default Cascader;