import * as React from 'react'; import { Button, Dialog } from '@fluentui/react-northstar'; import { useBooleanKnob } from '@fluentui/docs-components'; import { CloseIcon } from '@fluentui/react-icons-northstar'; const DialogExampleHeaderAction: React.FC = () => { const [open, setOpen] = useBooleanKnob({ name: 'open' }); return ( setOpen(true)} onCancel={() => setOpen(false)} onConfirm={() => setOpen(false)} confirmButton="Confirm" content="Are you sure you want to confirm this action?" header="Action confirmation" headerAction={{ icon: , title: 'Close', onClick: () => setOpen(false) }} trigger={