#![cfg_attr(target_os = "windows", allow(unused))] use anyhow::{anyhow, Result};use client::{proto, ParticipantIndex, User};use collections::HashMap;use gpui::WeakModel;use livekit_client::AudioStream;use project::Project;use std::sync::Arc; #[cfg(not(target_os = "windows"))]pub use livekit_client::id::TrackSid;pub use livekit_client::track::{RemoteAudioTrack, RemoteVideoTrack}; #[derive(Copy, Clone, Debug, Eq, PartialEq)]pub enum ParticipantLocation {    SharedProject { project_id: u64 },    UnsharedProject,    External,} impl ParticipantLocation {    pub fn from_proto(location: Option<proto::ParticipantLocation>) -> Result<Self> {        match location.and_then(|l| l.variant) {            Some(proto::participant_location::Variant::SharedProject(project)) => {                Ok(Self::SharedProject {                    project_id: project.id,                })            }            Some(proto::participant_location::Variant::UnsharedProject(_)) => {                Ok(Self::UnsharedProject)            }            Some(proto::participant_location::Variant::External(_)) => Ok(Self::External),            None => Err(anyhow!("participant location was not provided")),        }    }} #[derive(Clone, Default)]pub struct LocalParticipant {    pub projects: Vec<proto::ParticipantProject>,    pub active_project: Option<WeakModel<Project>>,    pub role: proto::ChannelRole,} pub struct RemoteParticipant {    pub user: Arc<User>,    pub peer_id: proto::PeerId,    pub role: proto::ChannelRole,    pub projects: Vec<proto::ParticipantProject>,    pub location: ParticipantLocation,    pub participant_index: ParticipantIndex,    pub muted: bool,    pub speaking: bool,    #[cfg(not(target_os = "windows"))]    pub video_tracks: HashMap<TrackSid, RemoteVideoTrack>,    #[cfg(not(target_os = "windows"))]    pub audio_tracks: HashMap<TrackSid, (RemoteAudioTrack, AudioStream)>,} impl RemoteParticipant {    pub fn has_video_tracks(&self) -> bool {        #[cfg(not(target_os = "windows"))]        return !self.video_tracks.is_empty();        #[cfg(target_os = "windows")]        return false;    }}