/**
 * Voice Module Error Classes
 *
 * Comprehensive error handling for TTS, STT, and Realtime Voice operations.
 *
 * @module voice/errors
 */
import { NeuroLinkError } from "../utils/errorHandling.js";
import type { VoiceErrorOptions } from "../types/index.js";
import { REALTIME_ERROR_CODES, STT_ERROR_CODES, VOICE_ERROR_CODES } from "../types/index.js";
export { STT_ERROR_CODES, REALTIME_ERROR_CODES, VOICE_ERROR_CODES };
/**
 * Base Voice Error class for all voice-related errors
 */
export declare class VoiceError extends NeuroLinkError {
    constructor(options: VoiceErrorOptions);
}
/**
 * STT Error class for speech-to-text specific errors
 */
export declare class STTError extends VoiceError {
    constructor(options: VoiceErrorOptions);
    /**
     * Create an error for empty audio input
     */
    static audioEmpty(provider?: string): STTError;
    /**
     * Create an error for audio that exceeds maximum duration
     */
    static audioTooLong(durationSeconds: number, maxDurationSeconds: number, provider?: string): STTError;
    /**
     * Create an error for invalid audio format
     */
    static invalidFormat(format: string, supportedFormatsOrProvider?: string[] | string, provider?: string): STTError;
    /**
     * Create an error for unsupported language
     */
    static languageNotSupported(language: string, supportedLanguages?: string[], provider?: string): STTError;
    /**
     * Create an error for transcription failure
     * Supports two signatures:
     * - transcriptionFailed(reason, provider?, originalError?)
     * - transcriptionFailed(reason, originalError, provider)
     */
    static transcriptionFailed(reason: string, providerOrError?: string | Error, originalErrorOrProvider?: Error | string): STTError;
    /**
     * Create an error for unconfigured provider
     */
    static providerNotConfigured(provider: string): STTError;
    /**
     * Create an error for unsupported provider
     */
    static providerNotSupported(provider: string, availableProviders?: string[]): STTError;
    /**
     * Create an error for stream processing failure
     */
    static streamError(reason: string, provider?: string): STTError;
    /**
     * Alias for providerNotConfigured
     */
    static notConfigured(provider: string): STTError;
    /**
     * Alias for audioEmpty
     */
    static emptyAudio(provider?: string): STTError;
}
/**
 * Realtime Voice Error class for realtime-specific errors
 */
export declare class RealtimeError extends VoiceError {
    constructor(options: VoiceErrorOptions);
    /**
     * Create an error for connection failure
     * Supports two signatures:
     * - connectionFailed(reason, provider?, originalError?)
     * - connectionFailed(reason, originalError?, provider?)
     */
    static connectionFailed(reason: string, providerOrError?: string | Error, originalErrorOrProvider?: Error | string): RealtimeError;
    /**
     * Create an error for session timeout
     */
    static sessionTimeout(timeoutMs: number, provider?: string): RealtimeError;
    /**
     * Create an error for protocol errors
     */
    static protocolError(reason: string, provider?: string, originalError?: Error): RealtimeError;
    /**
     * Create an error for audio stream failures
     */
    static audioStreamError(reason: string, provider?: string): RealtimeError;
    /**
     * Create an error for unconfigured provider
     */
    static providerNotConfigured(provider: string): RealtimeError;
    /**
     * Create an error for unsupported provider
     */
    static providerNotSupported(provider: string, availableProviders?: string[]): RealtimeError;
    /**
     * Create an error for duplicate session
     */
    static sessionAlreadyActive(provider?: string): RealtimeError;
    /**
     * Create an error for no active session
     */
    static sessionNotActive(provider?: string): RealtimeError;
    /**
     * Create an error for invalid messages
     */
    static invalidMessage(reason: string, provider?: string): RealtimeError;
    /**
     * Create an error for connection closed unexpectedly
     */
    static connectionClosed(reason: string, sessionId?: string, provider?: string): RealtimeError;
    /**
     * Create an error for unconfigured provider (alias)
     */
    static notConfigured(provider: string): RealtimeError;
    /**
     * Create an error for operation timeout
     */
    static timeout(operation: string, timeoutMs: number, provider?: string): RealtimeError;
}