import React, { PureComponent, ReactNode } from 'react';
import PropTypes from 'prop-types';
import { ContextValue } from '../configProvider/context';
import { CheckboxEvent } from '../checkbox';
import { BasicCascaderData, BasicEntity, ShowNextType, BasicData, Virtualize } from '@douyinfe/semi-foundation/lib/es/cascader/foundation';
export interface CascaderData extends BasicCascaderData {
    label: React.ReactNode;
}
export interface Entity extends BasicEntity {
    children?: Array<Entity>;
    data: CascaderData;
    parent?: Entity;
}
export interface Entities {
    [idx: string]: Entity;
}
export interface Data extends BasicData {
    data: CascaderData;
    searchText: React.ReactNode[];
}
export interface FilterRenderProps {
    className: string;
    inputValue: string;
    disabled: boolean;
    data: CascaderData[];
    checkStatus: {
        checked: boolean;
        halfChecked: boolean;
    };
    selected: boolean;
    onClick: (e: React.MouseEvent) => void;
    onCheck: (e: React.MouseEvent) => void;
}
export interface CascaderItemProps {
    activeKeys: Set<string>;
    selectedKeys: Set<string>;
    loadedKeys: Set<string>;
    loadingKeys: Set<string>;
    onItemClick: (e: React.MouseEvent | React.KeyboardEvent, item: Entity | Data) => void;
    onItemHover: (e: React.MouseEvent, item: Entity) => void;
    showNext: ShowNextType;
    onItemCheckboxClick: (item: Entity | Data) => void;
    onListScroll: (e: React.UIEvent<HTMLUListElement, UIEvent>, ind: number) => void;
    searchable: boolean;
    keyword: string;
    empty: boolean;
    emptyContent: React.ReactNode;
    loadData: (selectOptions: CascaderData[]) => Promise<void>;
    data: Array<Data | Entity>;
    separator: string;
    multiple: boolean;
    checkedKeys: Set<string>;
    halfCheckedKeys: Set<string>;
    filterRender?: (props: FilterRenderProps) => ReactNode;
    virtualize?: Virtualize;
    expandIcon?: ReactNode;
}
export default class Item extends PureComponent<CascaderItemProps> {
    static contextType: React.Context<ContextValue>;
    static propTypes: {
        data: PropTypes.Requireable<any[]>;
        emptyContent: PropTypes.Requireable<PropTypes.ReactNodeLike>;
        searchable: PropTypes.Requireable<boolean>;
        onItemClick: PropTypes.Requireable<(...args: any[]) => any>;
        onItemHover: PropTypes.Requireable<(...args: any[]) => any>;
        multiple: PropTypes.Requireable<boolean>;
        showNext: PropTypes.Requireable<"hover" | "click">;
        checkedKeys: PropTypes.Requireable<object>;
        halfCheckedKeys: PropTypes.Requireable<object>;
        onItemCheckboxClick: PropTypes.Requireable<(...args: any[]) => any>;
        separator: PropTypes.Requireable<string>;
        keyword: PropTypes.Requireable<string>;
        virtualize: PropTypes.Requireable<object>;
        expandIcon: PropTypes.Requireable<PropTypes.ReactNodeLike>;
    };
    static defaultProps: {
        empty: boolean;
    };
    context: ContextValue;
    onClick: (e: React.MouseEvent | React.KeyboardEvent, item: Entity | Data) => void;
    /**
     * A11y: simulate item click
     */
    handleItemEnterPress: (keyboardEvent: React.KeyboardEvent, item: Entity | Data) => void;
    onHover: (e: React.MouseEvent, item: Entity) => void;
    onCheckboxChange: (e: CheckboxEvent, item: Entity | Data) => void;
    getItemStatus: (key: string) => {
        active: boolean;
        selected: boolean;
        loading: boolean;
    };
    renderIcon: (type: string, haveMarginLeft?: boolean) => string | number | true | Iterable<React.ReactNode> | React.JSX.Element;
    highlight: (searchText: React.ReactNode[]) => React.ReactNode[];
    renderFlattenOptionItem: (data: Data, index?: number, style?: any) => React.JSX.Element;
    renderFlattenOption: (data: Data[]) => React.JSX.Element;
    renderVirtualizeList: (visibleOptions: any) => React.JSX.Element;
    renderItem(renderData: Array<Entity>, content?: Array<React.ReactNode>): React.ReactNode[];
    renderEmpty(): React.JSX.Element;
    render(): React.JSX.Element;
}