use zed_extension_api::{self as zed, Result, settings::LspSettings}; use crate::language_servers::{BufLsp, ProtoLs, ProtobufLanguageServer}; mod language_servers; struct ProtobufExtension {    protobuf_language_server: Option<ProtobufLanguageServer>,    protols: Option<ProtoLs>,    buf_lsp: Option<BufLsp>,} impl zed::Extension for ProtobufExtension {    fn new() -> Self {        Self {            protobuf_language_server: None,            protols: None,            buf_lsp: None,        }    }     fn language_server_command(        &mut self,        language_server_id: &zed_extension_api::LanguageServerId,        worktree: &zed_extension_api::Worktree,    ) -> zed_extension_api::Result<zed_extension_api::Command> {        match language_server_id.as_ref() {            ProtobufLanguageServer::SERVER_NAME => self                .protobuf_language_server                .get_or_insert_with(ProtobufLanguageServer::new)                .language_server_binary(worktree),             ProtoLs::SERVER_NAME => self                .protols                .get_or_insert_with(ProtoLs::new)                .language_server_binary(worktree),             BufLsp::SERVER_NAME => self                .buf_lsp                .get_or_insert_with(BufLsp::new)                .language_server_binary(worktree),             _ => Err(format!("Unknown language server ID {}", language_server_id)),        }    }     fn language_server_workspace_configuration(        &mut self,        server_id: &zed::LanguageServerId,        worktree: &zed::Worktree,    ) -> Result<Option<zed::serde_json::Value>> {        LspSettings::for_worktree(server_id.as_ref(), worktree)            .map(|lsp_settings| lsp_settings.settings)    }     fn language_server_initialization_options(        &mut self,        server_id: &zed::LanguageServerId,        worktree: &zed::Worktree,    ) -> Result<Option<zed_extension_api::serde_json::Value>> {        LspSettings::for_worktree(server_id.as_ref(), worktree)            .map(|lsp_settings| lsp_settings.initialization_options)    }} zed::register_extension!(ProtobufExtension);