import * as React from 'react';
import type { BaseProps } from '../../wui-core/src/iCore';
export type SizeType = 'sm' | 'md' | 'nm' | 'lg' | 'small' | 'middle' | 'large';
export interface OptionType {
    label?: string;
    value?: string | number | null;
    children?: OptionType[];
    isEmptyNode?: string;
}
export interface CascaderOption {
    value?: string | number;
    label?: React.ReactNode;
    disabled?: boolean;
    isLeaf?: boolean;
    loading?: boolean;
    children?: CascaderOption[];
    [key: string]: any;
}
export interface FieldNames {
    label?: string;
    value?: string;
    children?: string;
}
export interface ShowSearchType {
    filter?: (inputValue?: string, options?: CascaderOption[], fieldNames?: FieldNames) => boolean;
    render?: (inputValue?: string, path?: CascaderOption[], prefixCls?: string, fieldNames?: FieldNames) => React.ReactNode;
    sort?: (a: CascaderOption[], b: CascaderOption[], inputValue?: string, fieldNames?: FieldNames) => number;
    matchInputWidth?: boolean;
    limit?: number | false;
}
export interface CascaderProps extends BaseProps {
    allowClear?: boolean;
    autoFocus?: boolean;
    bordered?: boolean;
    changeOnSelect?: boolean;
    defaultValue?: Array<string>;
    disabled?: boolean;
    displayRender?: (label?: Array<string>, selectedOptions?: CascaderOption[]) => React.ReactNode;
    dropdownRender?: (menu: React.ReactElement) => React.ReactElement;
    expandIcon?: React.ReactNode;
    expandTrigger?: 'hover' | 'click';
    fieldNames?: FieldNames;
    getPopupContainer?: (triggerNode: HTMLElement) => HTMLElement;
    loadData?: (selectOptions: CascaderOption[]) => void;
    notFoundContent?: string;
    options?: CascaderOption[];
    placeholder?: string;
    popupClassName?: string | undefined;
    popupPlacement?: string;
    showSearch?: boolean | ShowSearchType;
    size?: SizeType;
    separator?: string;
    suffixIcon?: React.ReactNode;
    onChange?: (label?: Array<string>, selectedOptions?: CascaderOption[]) => void;
    onPopupVisibleChange?: (isShow?: boolean) => void;
    popupVisible?: boolean | undefined;
    value?: (string | number)[] | CascaderOption[];
    prefixCls?: string;
    inputValue?: string;
    onSearch?: (label?: string, selectedOptions?: CascaderOption[]) => void;
    locale?: string;
}
export interface CascaderState {
    value: Array<string | number> | CascaderOption[];
    inputValue?: string;
    inputFocused: boolean;
    popupVisible: boolean | undefined;
    prevProps: any;
    flattenOptions: any;
    popupClassName: string | undefined;
}