use gpui::{img, prelude::*, AnyElement, SharedUri};use smallvec::SmallVec;use ui::prelude::*; #[derive(IntoElement)]pub struct CollabNotification {    avatar_uri: SharedUri,    accept_button: Button,    dismiss_button: Button,    children: SmallVec<[AnyElement; 2]>,} impl CollabNotification {    pub fn new(        avatar_uri: impl Into<SharedUri>,        accept_button: Button,        dismiss_button: Button,    ) -> Self {        Self {            avatar_uri: avatar_uri.into(),            accept_button,            dismiss_button,            children: SmallVec::new(),        }    }} impl ParentElement for CollabNotification {    fn extend(&mut self, elements: impl IntoIterator<Item = AnyElement>) {        self.children.extend(elements)    }} impl RenderOnce for CollabNotification {    fn render(self, _: &mut Window, cx: &mut App) -> impl IntoElement {        h_flex()            .text_ui(cx)            .justify_between()            .size_full()            .overflow_hidden()            .elevation_3(cx)            .p_2()            .gap_2()            .child(img(self.avatar_uri).w_12().h_12().rounded_full())            .child(v_flex().overflow_hidden().children(self.children))            .child(                v_flex()                    .child(self.accept_button)                    .child(self.dismiss_button),            )    }}