//! xAI's text-to-speech model identifier.
//!//! The speech encoder omits the model field and uses `voice_id`, defaulting to `eve`.
//!//! ```
//! use rig_core::providers::xai::audio_generation::TTS_1;
//! assert_eq!(TTS_1, "tts-1");
//! ```
pubconstTTS_1:&str="tts-1";