import type { IncomingSocketEvent, OutgoingSocketEvent } from "./events";
export type Language = "en" | "ja" | "zh" | "de" | "hi" | "fr" | "ko" | "pt" | "pt-br" | "it" | "es" | "id" | "nl" | "tr" | "pl" | "sv" | "bg" | "ro" | "ar" | "cs" | "el" | "fi" | "ms" | "da" | "ta" | "uk" | "ru" | "hu" | "hr" | "sk" | "no" | "vi" | "tl";
export type DelayConfig = {
    default: number;
    android?: number;
    ios?: number;
};
export type FormatConfig = {
    format: "pcm" | "ulaw";
    sampleRate: number;
};
export type DisconnectionDetails = {
    reason: "error";
    message: string;
    context: Event;
} | {
    reason: "agent";
    context: CloseEvent;
} | {
    reason: "user";
};
export type OnDisconnectCallback = (details: DisconnectionDetails) => void;
export type OnMessageCallback = (event: IncomingSocketEvent) => void;
export type BaseSessionConfig = {
    origin?: string;
    authorization?: string;
    livekitUrl?: string;
    overrides?: {
        agent?: {
            prompt?: {
                prompt?: string;
            };
            firstMessage?: string;
            language?: Language;
        };
        tts?: {
            voiceId?: string;
        };
        conversation?: {
            textOnly?: boolean;
        };
        client?: {
            source?: string;
            version?: string;
        };
    };
    customLlmExtraBody?: unknown;
    dynamicVariables?: Record<string, string | number | boolean>;
    useWakeLock?: boolean;
    connectionDelay?: DelayConfig;
    textOnly?: boolean;
    userId?: string;
};
export type ConnectionType = "websocket" | "webrtc";
export type PublicSessionConfig = BaseSessionConfig & {
    agentId: string;
    connectionType: ConnectionType;
    signedUrl?: never;
    conversationToken?: never;
};
export type PrivateWebSocketSessionConfig = BaseSessionConfig & {
    signedUrl: string;
    connectionType?: "websocket";
    agentId?: never;
    conversationToken?: never;
};
export type PrivateWebRTCSessionConfig = BaseSessionConfig & {
    conversationToken: string;
    connectionType?: "webrtc";
    agentId?: never;
    signedUrl?: never;
};
export type SessionConfig = PublicSessionConfig | PrivateWebSocketSessionConfig | PrivateWebRTCSessionConfig;
export declare abstract class BaseConnection {
    abstract readonly conversationId: string;
    abstract readonly inputFormat: FormatConfig;
    abstract readonly outputFormat: FormatConfig;
    protected queue: IncomingSocketEvent[];
    protected disconnectionDetails: DisconnectionDetails | null;
    protected onDisconnectCallback: OnDisconnectCallback | null;
    protected onMessageCallback: OnMessageCallback | null;
    protected onDebug?: (info: unknown) => void;
    constructor(config?: {
        onDebug?: (info: unknown) => void;
    });
    protected debug(info: unknown): void;
    abstract close(): void;
    abstract sendMessage(message: OutgoingSocketEvent): void;
    onMessage(callback: OnMessageCallback): void;
    onDisconnect(callback: OnDisconnectCallback): void;
    protected disconnect(details: DisconnectionDetails): void;
    protected handleMessage(parsedEvent: IncomingSocketEvent): void;
}
export declare function parseFormat(format: string): FormatConfig;