use gpui::{InteractiveElement, SharedString, Styled}; /// A trait for elements that can be made visible on hover by/// tracking a specific group.pub trait VisibleOnHover {    /// Sets the element to only be visible when the specified group is hovered.    ///    /// Pass `""` as the `group_name` to use the global group.    fn visible_on_hover(self, group_name: impl Into<SharedString>) -> Self;} impl<E: InteractiveElement + Styled> VisibleOnHover for E {    fn visible_on_hover(self, group_name: impl Into<SharedString>) -> Self {        self.invisible()            .group_hover(group_name, |style| style.visible())    }}