/**
 * VoiceIDVault SDK error classes.
 */
import type { APIErrorBody } from './types.js';
/** Base class for all VoiceIDVault SDK errors. */
export declare class VoiceIDVaultError extends Error {
    readonly statusCode: number;
    readonly code: string | undefined;
    readonly details: unknown;
    constructor(message: string, statusCode: number, body?: APIErrorBody);
}
/** Thrown when the API key is missing or invalid (HTTP 401 / 403). */
export declare class AuthenticationError extends VoiceIDVaultError {
    constructor(message: string, statusCode: number, body?: APIErrorBody);
}
/** Thrown when enrollment-specific operations fail. */
export declare class EnrollmentError extends VoiceIDVaultError {
    constructor(message: string, statusCode: number, body?: APIErrorBody);
}
/** Thrown when the server rate-limits the request (HTTP 429). */
export declare class RateLimitError extends VoiceIDVaultError {
    readonly retryAfter: number | undefined;
    constructor(message: string, statusCode: number, body?: APIErrorBody, retryAfter?: number);
}
/** Thrown on network-level failures (timeout, DNS, etc.). */
export declare class NetworkError extends VoiceIDVaultError {
    constructor(message: string, cause?: unknown);
}
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