import { STT } from '../../agents/providers.js';
/**
 * Configuration options for the NVIDIA Riva speech-to-text (STT) provider.
 */
export type NvidiaSTTOptions = {
    /**
     * NVIDIA API key. Falls back to the `NVIDIA_API_KEY` environment variable
     * when omitted.
     */
    apiKey?: string;
    /**
     * Riva ASR model identifier.
     * @default 'parakeet-1.1b-en-US-asr-streaming-silero-vad-sortformer'
     */
    model?: string;
    /**
     * Riva endpoint host. Accepted for compatibility; currently has no effect.
     */
    server?: string;
    /**
     * NVIDIA NIM function ID. Accepted for compatibility; currently has no effect.
     */
    functionId?: string;
    /**
     * BCP-47 language code for transcription (e.g. `'en-US'`).
     * @default 'en-US'
     */
    languageCode?: string;
    /**
     * Input audio sample rate, in hertz.
     * @default 16000
     */
    sampleRate?: number;
    /**
     * Whether to use a secure (SSL/TLS) connection. Accepted for compatibility;
     * currently has no effect.
     */
    useSsl?: boolean;
    /**
     * Whether to mask profanity in transcripts. Accepted for compatibility;
     * currently has no effect.
     */
    profanityFilter?: boolean;
    /**
     * Whether to add automatic punctuation to transcripts. Accepted for
     * compatibility; currently has no effect.
     */
    automaticPunctuation?: boolean;
};
declare class NvidiaSTTImpl extends STT {
    _providerName: string;
    apiKey?: string;
    model: string;
    language: string;
    sampleRate: number;
    constructor(opts?: NvidiaSTTOptions);
    getRuntimeConfig(): Record<string, any>;
}
/** A configured NVIDIA Riva STT provider instance. */
export type NvidiaSTT = NvidiaSTTImpl;
/**
 * NVIDIA Riva speech-to-text (STT) provider.
 *
 * @param opts - {@link NvidiaSTTOptions} configuration.
 * @returns A configured STT provider instance.
 */
export declare const NvidiaSTT: (opts?: NvidiaSTTOptions) => NvidiaSTT;
export {};