import React, { CSSProperties, MouseEvent } from 'react'; export interface Props { className?: string; style?: CSSProperties; title: string; subTitle?: React.ReactNode; onBack?: (event?: MouseEvent) => void; backIcon?: React.ReactNode; extra?: React.ReactNode; breadcrumb?: React.ReactNode; } export type RefInternalPageHeader = (props: React.PropsWithChildren & { ref?: React.Ref; }) => React.ReactElement; declare const _default: React.MemoExoticComponent>>; export default _default;