ComboboxGroupRender

type ComboboxGroupRender = Readonly<{
  key: string
  heading: ComboboxHeadingRender | undefined
  group:
    | {
        key: string
        attributes: ReadonlyArray<ChildAttribute>
      }
    | undefined
  separator:
    | {
        key: string
        attributes: ReadonlyArray<ChildAttribute>
      }
    | undefined
  items: ReadonlyArray<ComboboxItemRender>
}>