/**
 * Environment-neutral aggregate barrel for bundled TTS (text-to-speech) batteries.
 *
 * @module @nhtio/adk/batteries/tts
 *
 * @remarks
 * The TTS domain is the inverse of the specialists domain: where specialists turn a modality INTO
 * text (STT/OCR/caption), a TTS engine turns text INTO audio. Each engine normalizes an existing
 * text-to-speech API behind one contract — `synthesize(text, opts?)` → a single
 * {@link @nhtio/adk/batteries/tts/transformers_js!GeneratedMediaOutput} (`kind: 'audio'`,
 * `mimeType: 'audio/wav'`, WAV bytes).
 *
 * This barrel re-exports only the **environment-neutral** transformers.js engine (Node + browser,
 * ONNX Runtime auto-selected — no WebGPU requirement), so it imports cleanly from either Node or the
 * browser. The **node-only** OS-native engine is reachable only through its own subpath:
 *
 * - `@nhtio/adk/batteries/tts/native` — node-only (shells out to macOS `say` / Linux `espeak-ng` /
 *   Windows PowerShell `System.Speech`; imports `node:*` builtins).
 *
 * Deep-import that subpath when you need it; don't expect it to be re-exported here — the same reason
 * the embeddings aggregate excludes its browser-only WebLLM engine.
 *
 * The shared option base is intentionally model-LESS ({@link BaseTtsAdapterOptions} carries only
 * `voice`/`rate`) because the native engine has no model concept; each model-backed engine adds its
 * own required `model`. See `@nhtio/adk/batteries/tts/_shared`.
 */
export { TransformersJsTtsAdapter } from "./transformers_js/index";
export { transformersJsTtsOptionsSchema } from "./transformers_js/index";
export { validateOptions as validateTransformersJsTtsOptions } from "./transformers_js/index";
export type { TransformersJsTtsAdapterOptions, TransformersJsTtsPipeline, TransformersJsTtsDataType, TransformersJsTtsDeviceType, TransformersJsTtsProgressCallback, TransformersJsTtsModelSource, CreateTransformersJsTtsPipeline, TransformersJsTtsSpeakerEmbeddings, TransformersJsSynthesizeOptions, } from "./transformers_js/index";
export { E_INVALID_TRANSFORMERS_JS_TTS_OPTIONS, E_TRANSFORMERS_JS_TTS_ENGINE_ERROR, } from "./transformers_js/index";
export type { BaseTtsAdapterOptions, SynthesizeOptions, RawAudioLike, GeneratedMediaOutput, TtsSynthesisResult, } from "./_shared/index";