use std::path::PathBuf;use std::sync::Arc; use anyhow::Result;use extension::{ExtensionHostProxy, ExtensionSnippetProxy};use gpui::App; use crate::SnippetRegistry; pub fn init(cx: &mut App) {    let proxy = ExtensionHostProxy::default_global(cx);    proxy.register_snippet_proxy(SnippetRegistryProxy {        snippet_registry: SnippetRegistry::global(cx),    });} struct SnippetRegistryProxy {    snippet_registry: Arc<SnippetRegistry>,} impl ExtensionSnippetProxy for SnippetRegistryProxy {    fn register_snippet(&self, path: &PathBuf, snippet_contents: &str) -> Result<()> {        self.snippet_registry            .register_snippets(path, snippet_contents)    }}