import { KokoroAudio, KokoroNodeOptions } from '../core/kokoro-node';
import { LoadDocumentOptions } from './document';
export interface RenderOptions extends LoadDocumentOptions, KokoroNodeOptions {
    /** Where to write the audio. `-` writes the WAV to stdout. */
    output?: string;
    /**
     * Replace the synthesizer. Used by the tests, and by hosts that already have a
     * model loaded and do not want a second copy.
     */
    synthesize?: (text: string, options: KokoroNodeOptions) => Promise<KokoroAudio>;
}
export interface RenderResult {
    /** Path written, or `-` when the audio went to stdout. */
    output: string;
    /** The text that was spoken, after Markdown conversion. */
    text: string;
    format: "markdown" | "text";
    source: string;
    durationSeconds: number;
    bytes: number;
}
/** `notes.md` becomes `notes.wav`, next to the original. */
export declare function defaultOutputPath(input: string): string;
/**
 * Reads a document, synthesizes it, and writes a WAV file.
 *
 * Returns the spoken text alongside the file details so a caller can show what
 * was read without converting the document a second time.
 */
export declare function renderDocument(options: RenderOptions): Promise<RenderResult>;