/** Default voice used by {@link AzureVoiceLiveConfig} when none is supplied. */
export declare const DEFAULT_VOICE = "en-US-AvaNeural";
declare class TurnDetectionConfigImpl {
    static readonly displayName = "TurnDetectionConfig";
    type: string;
    threshold: number;
    prefixPaddingMs: number;
    silenceDurationMs: number;
    createResponse: boolean;
    interruptResponse: boolean;
    constructor(opts?: {
        type?: string;
        threshold?: number;
        prefixPaddingMs?: number;
        silenceDurationMs?: number;
        createResponse?: boolean;
        interruptResponse?: boolean;
    });
}
export type TurnDetectionConfig = TurnDetectionConfigImpl;
/**
 * Server-side voice-activity / turn-detection settings for {@link AzureVoiceLive}.
 *
 * @param opts.type Detection mode. Default: `'server_vad'`.
 * @param opts.threshold VAD activation threshold. Range `0`-`1`. Default: `0.5`.
 * @param opts.prefixPaddingMs Audio (ms) retained before detected speech. Default: `300`.
 * @param opts.silenceDurationMs Trailing silence (ms) that ends a turn. Default: `500`.
 * @param opts.createResponse Auto-generate a response when a turn ends. Default: `true`.
 * @param opts.interruptResponse Allow user speech to interrupt the response. Default: `true`.
 */
export declare const TurnDetectionConfig: (opts?: {
    type?: string;
    threshold?: number;
    prefixPaddingMs?: number;
    silenceDurationMs?: number;
    createResponse?: boolean;
    interruptResponse?: boolean;
}) => TurnDetectionConfig;
declare class InputAudioTranscriptionConfigImpl {
    static readonly displayName = "InputAudioTranscriptionConfig";
    model: string;
    constructor(opts?: {
        model?: string;
    });
}
export type InputAudioTranscriptionConfig = InputAudioTranscriptionConfigImpl;
/**
 * Input-audio transcription settings for {@link AzureVoiceLive}.
 *
 * @param opts.model Transcription model. Default: `'gpt-4o-mini-transcribe'`.
 */
export declare const InputAudioTranscriptionConfig: (opts?: {
    model?: string;
}) => InputAudioTranscriptionConfig;
declare class AzureVoiceLiveConfigImpl {
    static readonly displayName = "AzureVoiceLiveConfig";
    model: string;
    voice: string;
    endpoint: string | null;
    modalities: string[];
    temperature: number | null;
    maxResponseOutputTokens: number | string | null;
    turnDetection: TurnDetectionConfig | null;
    inputAudioTranscription: InputAudioTranscriptionConfig | null;
    toolChoice: string;
    constructor(opts?: {
        model?: string;
        voice?: string;
        endpoint?: string | null;
        modalities?: string[];
        temperature?: number | null;
        maxResponseOutputTokens?: number | string | null;
        turnDetection?: TurnDetectionConfig | null;
        inputAudioTranscription?: InputAudioTranscriptionConfig | null;
        toolChoice?: string;
    });
}
export type AzureVoiceLiveConfig = AzureVoiceLiveConfigImpl;
/**
 * Session configuration for the {@link AzureVoiceLive} realtime speech-to-speech provider.
 *
 * @param opts.model Realtime model. Default: `'gpt-4o-realtime-preview'`.
 * @param opts.voice Output voice name. Default: {@link DEFAULT_VOICE}.
 * @param opts.endpoint Azure Voice Live endpoint. Default: `null`.
 * @param opts.modalities Active response modalities. Default: `['text', 'audio']`.
 * @param opts.temperature Sampling temperature. Default: `null`.
 * @param opts.maxResponseOutputTokens Max tokens per response (number or `'inf'`). Default: `null`.
 * @param opts.turnDetection Turn-detection config. Default: a {@link TurnDetectionConfig} with defaults (pass `null` to disable).
 * @param opts.inputAudioTranscription Input-transcription config. Default: an {@link InputAudioTranscriptionConfig} with defaults (pass `null` to disable).
 * @param opts.toolChoice Tool-selection strategy. Default: `'auto'`.
 */
export declare const AzureVoiceLiveConfig: (opts?: {
    model?: string;
    voice?: string;
    endpoint?: string | null;
    modalities?: string[];
    temperature?: number | null;
    maxResponseOutputTokens?: number | string | null;
    turnDetection?: TurnDetectionConfig | null;
    inputAudioTranscription?: InputAudioTranscriptionConfig | null;
    toolChoice?: string;
}) => AzureVoiceLiveConfig;
/** Configuration options for the {@link AzureVoiceLive} provider. */
export type AzureVoiceLiveOptions = {
    /** Azure Voice Live API key. Falls back to the `AZURE_VOICE_LIVE_API_KEY` env var. */
    apiKey?: string;
    /** Session config. Default: an {@link AzureVoiceLiveConfig} with defaults. */
    config?: AzureVoiceLiveConfig;
    /** Endpoint override. Falls back to `config.endpoint`, then the `AZURE_VOICE_LIVE_ENDPOINT` env var, then `''`. */
    endpoint?: string;
    [key: string]: any;
};
declare class AzureVoiceLiveImpl {
    static readonly displayName = "AzureVoiceLive";
    _providerName: string;
    _isRealtimeModel: boolean;
    apiKey?: string;
    config: AzureVoiceLiveConfig;
    endpoint: string;
    model: string;
    voice: string;
    params: Record<string, string>;
    constructor(opts?: AzureVoiceLiveOptions);
    close(): Promise<void>;
    cleanup(): Promise<void>;
    getRuntimeConfig(): Record<string, any>;
}
export type AzureVoiceLive = AzureVoiceLiveImpl;
/**
 * Azure Voice Live realtime speech-to-speech provider.
 *
 * Creates a configured Azure Voice Live provider (full speech-to-speech) for use in a voice agent.
 */
export declare const AzureVoiceLive: (opts?: AzureVoiceLiveOptions) => AzureVoiceLive;
export {};