ToastRegion: DefineComponent<
    ExtractPropTypes<
        { duration: { default: undefined; type: NumberConstructor } },
    >,
    () => VNode<RendererNode, RendererElement, { [key: string]: any }>,
    {},
    {},
    {},
    ComponentOptionsMixin,
    ComponentOptionsMixin,
    {},
    string,
    PublicProps,
    ToResolvedProps<
        ExtractPropTypes<
            { duration: { default: undefined; type: NumberConstructor } },
        >,
        {},
    >,
    { duration: number },
    {},
    {},
    {},
    string,
    ComponentProvideOptions,
    true,
    {},
    any,
> = ...

The polite live region toasts render into. Mount once near your app root; it enhances itself on mount so useToast() and declarative data-hl-toast-trigger buttons target it.