use std::sync::atomic::AtomicBool;use std::sync::Arc; use anyhow::Result;use assistant_slash_command::{    ArgumentCompletion, SlashCommand, SlashCommandOutput, SlashCommandOutputSection,};use chrono::Local;use gpui::{Task, WeakView};use language::{BufferSnapshot, LspAdapterDelegate};use ui::prelude::*;use workspace::Workspace; pub(crate) struct NowSlashCommand; impl SlashCommand for NowSlashCommand {    fn name(&self) -> String {        "now".into()    }     fn description(&self) -> String {        "insert the current date and time".into()    }     fn menu_text(&self) -> String {        "Insert Current Date and Time".into()    }     fn requires_argument(&self) -> bool {        false    }     fn complete_argument(        self: Arc<Self>,        _arguments: &[String],        _cancel: Arc<AtomicBool>,        _workspace: Option<WeakView<Workspace>>,        _cx: &mut WindowContext,    ) -> Task<Result<Vec<ArgumentCompletion>>> {        Task::ready(Ok(Vec::new()))    }     fn run(        self: Arc<Self>,        _arguments: &[String],        _context_slash_command_output_sections: &[SlashCommandOutputSection<language::Anchor>],        _context_buffer: BufferSnapshot,        _workspace: WeakView<Workspace>,        _delegate: Option<Arc<dyn LspAdapterDelegate>>,        _cx: &mut WindowContext,    ) -> Task<Result<SlashCommandOutput>> {        let now = Local::now();        let text = format!("Today is {now}.", now = now.to_rfc2822());        let range = 0..text.len();         Task::ready(Ok(SlashCommandOutput {            text,            sections: vec![SlashCommandOutputSection {                range,                icon: IconName::CountdownTimer,                label: now.to_rfc2822().into(),                metadata: None,            }],            run_commands_in_text: false,        }))    }}