import { STT } from '../../agents/providers.js';
import type { AzureOpenAISTTModel } from './models.js';
/** Configuration options for the {@link AzureOpenAISTT} provider. */
export type AzureOpenAISTTOptions = {
    /** Azure OpenAI API key. Falls back to the `AZURE_API_KEY` then `AZURE_OPENAI_API_KEY` env vars, then `null`. */
    apiKey?: string | null;
    /** Azure OpenAI resource endpoint. Falls back to the `AZURE_OPENAI_ENDPOINT` env var, then `null`. */
    azureEndpoint?: string | null;
    /** Azure deployment name. Falls back to the `AZURE_OPENAI_STT_DEPLOYMENT` env var, then `null`. */
    deployment?: string | null;
    /** Azure OpenAI REST API version. Default: `'2025-03-01-preview'`. */
    apiVersion?: string;
    /** Transcription model name. Default: `''`. */
    model?: AzureOpenAISTTModel | string;
    /** Transcription language code. Default: `'en'`. */
    language?: string;
    /** Whether to use streaming transcription. Default: `false`. */
    stream?: boolean;
    /** Input audio sample rate in Hz. Default: `48000`. */
    inputSampleRate?: number;
    /** Output audio sample rate in Hz. Default: `24000`. */
    outputSampleRate?: number;
    /** Optional prompt to bias transcription. Default: `null`. */
    prompt?: string | null;
    /** Sampling temperature. Default: `null`. */
    temperature?: number | null;
    /** Response format, e.g. `'json'`, `'text'`. Default: `'json'`. */
    responseFormat?: string;
    /** Turn-detection mode, e.g. `'server_vad'`. Default: `'server_vad'`. */
    turnDetection?: string;
};
declare class AzureOpenAISTTImpl extends STT {
    static readonly displayName = "AzureOpenAISTT";
    _providerName: string;
    apiKey: string | null;
    endpoint: string | null;
    deployment: string | null;
    apiVersion: string;
    model: string;
    language: string;
    stream: boolean;
    inputSampleRate: number;
    outputSampleRate: number;
    prompt: string | null;
    temperature: number | null;
    responseFormat: string;
    turnDetection: string;
    constructor(opts?: AzureOpenAISTTOptions);
    getRuntimeConfig(): Record<string, any>;
}
export type AzureOpenAISTT = AzureOpenAISTTImpl;
/**
 * Azure OpenAI speech-to-text provider.
 *
 * Creates a configured Azure OpenAI transcription provider for use in a voice agent.
 */
export declare const AzureOpenAISTT: (opts?: AzureOpenAISTTOptions) => AzureOpenAISTT;
export {};