import * as React from 'react';
import { CollapsibleType } from './panel-content';
import { RenderFunction } from '../../../xt-ui-utils';
type KeyType = React.Key | React.Key[];
export interface CollapseProps {
    activeKey?: KeyType;
    defaultActiveKey?: KeyType;
    onChange?: (key: KeyType) => void;
    accordion?: boolean;
    className?: string;
    style?: object;
    expandIcon?: RenderFunction | React.ReactNode;
    collapsible?: CollapsibleType;
    prefixCls?: string;
    children: React.ReactNode;
}
export interface CollapseState {
    activeKey: React.Key[];
}
declare class Collapse extends React.Component<CollapseProps, CollapseState> {
    static defaultProps: {
        prefixCls: string;
        onChange(): void;
        accordion: boolean;
    };
    static Panel: React.FC<import("./panel-content").CollapsePanelProps>;
    constructor(props: CollapseProps);
    getActiveKeysArray(activeKey: KeyType): string[];
    setActiveKey: (activeKey: React.Key[]) => void;
    onClickItem: (key: React.Key, isFlag: boolean) => void;
    getNewChild: (child: React.ReactElement, index: number) => React.ReactElement<any, string | React.JSXElementConstructor<any>> | null;
    getItems: () => React.ReactElement<any, string | React.JSXElementConstructor<any>>[] | null | undefined;
    render(): React.JSX.Element;
}
export default Collapse;