import * as React from 'react'; interface ItemContainerProps { /**帮助 */ help?: React.ReactNode; /**标题 */ term?: string; /**标题栏上额外的元素 */ extra?: React.ReactNode; /**表单紧凑显示 */ compact?: boolean; /**是否可折叠 */ collapsable?: boolean; } interface ItemContainerState {} declare class ItemContainer extends React.Component { state: ItemContainerState; componentDidMount(): void; componentDidUpdate(prevProps: ItemContainerProps): void; componentWillUnmount(): void; render: () => React.ReactElement; } export default ItemContainer;