use crate::{role::Role, LanguageModelId};use serde::{Deserialize, Serialize}; #[derive(Serialize, Deserialize, Debug, Eq, PartialEq)]pub struct LanguageModelRequestMessage {    pub role: Role,    pub content: String,} impl LanguageModelRequestMessage {    pub fn to_proto(&self) -> proto::LanguageModelRequestMessage {        proto::LanguageModelRequestMessage {            role: self.role.to_proto() as i32,            content: self.content.clone(),            tool_calls: Vec::new(),            tool_call_id: None,        }    }} #[derive(Debug, Default, Serialize, Deserialize)]pub struct LanguageModelRequest {    pub messages: Vec<LanguageModelRequestMessage>,    pub stop: Vec<String>,    pub temperature: f32,} impl LanguageModelRequest {    pub fn to_proto(&self, model_id: LanguageModelId) -> proto::CompleteWithLanguageModel {        proto::CompleteWithLanguageModel {            model: model_id.0.to_string(),            messages: self.messages.iter().map(|m| m.to_proto()).collect(),            stop: self.stop.clone(),            temperature: self.temperature,            tool_choice: None,            tools: Vec::new(),        }    }} #[derive(Serialize, Deserialize, Debug, Eq, PartialEq)]pub struct LanguageModelResponseMessage {    pub role: Option<Role>,    pub content: Option<String>,}