use client::{ParticipantIndex, User, proto};use collections::HashMap;use gpui::WeakEntity;use livekit_client::AudioStream;use project::Project;use std::sync::Arc; pub use livekit_client::TrackSid;pub use livekit_client::{RemoteAudioTrack, RemoteVideoTrack}; #[derive(Clone, Default)]pub struct LocalParticipant {    pub projects: Vec<proto::ParticipantProject>,    pub active_project: Option<WeakEntity<Project>>,    pub role: proto::ChannelRole,} impl LocalParticipant {    pub fn can_write(&self) -> bool {        matches!(            self.role,            proto::ChannelRole::Admin | proto::ChannelRole::Member        )    }} pub struct RemoteParticipant {    pub user: Arc<User>,    pub peer_id: proto::PeerId,    pub role: proto::ChannelRole,    pub projects: Vec<proto::ParticipantProject>,    pub location: workspace::ParticipantLocation,    pub participant_index: ParticipantIndex,    pub muted: bool,    pub speaking: bool,    pub video_tracks: HashMap<TrackSid, RemoteVideoTrack>,    pub audio_tracks: HashMap<TrackSid, (RemoteAudioTrack, AudioStream)>,} impl RemoteParticipant {    pub fn has_video_tracks(&self) -> bool {        !self.video_tracks.is_empty()    }     pub fn can_write(&self) -> bool {        matches!(            self.role,            proto::ChannelRole::Admin | proto::ChannelRole::Member        )    }}