use gpui::SharedString;use serde::{Deserialize, Serialize};use util::post_inc; #[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy, Serialize, Deserialize)]pub struct ContextId(pub(crate) usize); impl ContextId {    pub fn post_inc(&mut self) -> Self {        Self(post_inc(&mut self.0))    }} /// Some context attached to a message in a thread.#[derive(Debug, Clone)]pub struct Context {    pub id: ContextId,    pub name: SharedString,    pub kind: ContextKind,    pub text: SharedString,} #[derive(Debug, Clone, PartialEq, Eq, Hash)]pub enum ContextKind {    File,    FetchedUrl,}