//#region src/voice/text-stream.d.ts
/**
 * Utilities for normalising various text-producing sources into a uniform
 * `AsyncGenerator<string>`.  This lets `onTurn()` return any of:
 *
 *   - A plain `string`
 *   - An `AsyncIterable<string>` (deprecated for AI SDK `textStream`)
 *   - An `AsyncIterable` of AI SDK `stream` parts
 *   - A `ReadableStream<Uint8Array>` (e.g. a raw `fetch` response body
 *     containing newline-delimited JSON / SSE)
 *   - A `ReadableStream<string>`
 *
 * The generator yields individual text chunks as they become available.
 */
/** Union of every source type that {@link iterateText} accepts. */
type TextSource = string | TextReadableStream | AsyncIterable<unknown>;
type TextReadableStreamReader = {
  read(): Promise<ReadableStreamReadResult<unknown>>;
};
interface TextReadableStream {
  getReader(): TextReadableStreamReader;
}
/**
 * Turn any {@link TextSource} into a lazy async generator of string chunks.
 *
 * - `string` → yields the string once (if non-empty).
 * - `ReadableStream<string>` → yields each chunk directly.
 * - `ReadableStream<Uint8Array>` → decodes and parses as newline-delimited
 *   JSON (NDJSON) / SSE (`data: …` lines), extracting text from common AI
 *   response formats.
 * - `AsyncIterable<string>` → re-yields each chunk.
 */
declare function iterateText(source: TextSource): AsyncGenerator<string>;
//#endregion
//#region src/voice/sentence-chunker.d.ts
/**
 * Sentence chunker — accumulates streaming text and yields complete sentences.
 *
 * Isolated and testable: no dependencies on the voice pipeline, Agent, or AI APIs.
 * Feed it tokens via `add()`, get back sentences via the return value.
 * Call `flush()` at end-of-stream to get any remaining text.
 *
 * Current implementation: splits on sentence-ending punctuation (. ! ?) followed
 * by a space or end-of-input. This is intentionally simple — optimize later with
 * better heuristics (abbreviations, decimal numbers, quoted speech, etc.).
 */
declare class SentenceChunker {
  #private;
  /**
   * Add a chunk of text (e.g. a streamed LLM token).
   * Returns an array of complete sentences extracted from the buffer.
   * May return 0, 1, or multiple sentences depending on the input.
   */
  add(text: string): string[];
  /**
   * Flush any remaining text in the buffer as a final sentence.
   * Call this when the LLM stream ends.
   * Returns the remaining text (trimmed), or an empty array if nothing is left.
   */
  flush(): string[];
  /**
   * Reset the chunker, discarding any buffered text.
   */
  reset(): void;
}
//#endregion
export { TextSource as n, iterateText as r, SentenceChunker as t };
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