export type SessionState = "created" | "paired" | "active" | "expired";
export interface VoiceField {
    id: string;
    label: string;
}
export interface SessionCommand {
    type: "switch_field";
    fieldId: string;
}
export interface TranscriptMessage {
    sessionId: string;
    text: string;
    isFinal: boolean;
    fieldId: string;
}
export interface PairingResponse {
    sessionToken: string;
    sttProvider: string;
    sttKey: string | null;
    sttKeyExpiresAt: number | null;
    fields: VoiceField[];
    language: string | string[];
    config: {
        maxRecordingDuration: number;
        idleTimeout: number;
    };
}
export interface SessionCreateResponse {
    sessionId: string;
    pairingCode: string;
    secret: string;
    expiresAt: number;
}
export interface VoicefieldConfig {
    serverUrl: string;
    externalServerUrl?: string;
    phoneUrl?: string;
    language: string | string[];
    maxRecordingDuration?: number;
    idleTimeout?: number;
}
export type SSEEventType = "transcript" | "paired" | "recording_start" | "recording_stop" | "session_ended" | "field_switched";
export interface SSETranscriptEvent {
    type: "transcript";
    text: string;
    isFinal: boolean;
    fieldId: string;
}
export interface SSEStatusEvent {
    type: "paired" | "recording_start" | "recording_stop" | "session_ended" | "field_switched";
    fieldId?: string;
}
export type SSEEvent = SSETranscriptEvent | SSEStatusEvent;
export interface STTProviderInstance {
    start(): Promise<void>;
    stop(): Promise<void>;
}
export interface STTProviderConfig {
    sttKey: string | null;
    language: string | string[];
    onPartial: (text: string) => void;
    onFinal: (text: string) => void;
    onError: (error: Error) => void;
}
export type STTProviderFactory = (config: STTProviderConfig) => STTProviderInstance;
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