/**
 * Configuración por defecto del SDK
 */
export declare const SDK_VERSION = "1.2.3";
export declare const SDK_NAME = "mailsafepro-sdk";
export declare const USER_AGENT = "mailsafepro-sdk/1.2.3";
export declare const DEFAULT_BASE_URL = "https://api.mailsafepro.es";
export declare const DEFAULT_TIMEOUT = 30000;
export declare const DEFAULT_CONNECT_TIMEOUT = 10000;
export declare const UPLOAD_TIMEOUT = 120000;
export declare const DEFAULT_MAX_RETRIES = 3;
export declare const DEFAULT_RETRY_DELAY = 500;
export declare const MAX_RETRY_DELAY = 30000;
export declare const RETRY_BACKOFF_MULTIPLIER = 2;
export declare const RETRY_STATUS_CODES: number[];
export declare const RETRY_ERROR_CODES: string[];
export declare const DEFAULT_RATE_LIMIT: {
    maxRequestsPerSecond: number;
    maxConcurrent: number;
};
export declare const MAX_BATCH_SIZE = 1000;
export declare const MIN_BATCH_SIZE = 1;
export declare const MAX_FILE_SIZE: number;
export declare const SUPPORTED_FILE_TYPES: string[];
export declare const TOKEN_REFRESH_MARGIN_SECONDS = 60;
export declare const MIN_TOKEN_LIFETIME_SECONDS = 120;
export declare const DEFAULT_HTTP_HEADERS: {
    'User-Agent': string;
    'Content-Type': string;
    Accept: string;
    'X-SDK-Version': string;
};
export declare const DEFAULT_CACHE_TTL = 300;
export declare const MAX_CACHE_SIZE = 1000;
export declare const MAX_EMAIL_LENGTH = 320;
export declare const MAX_LOCAL_PART_LENGTH = 64;
export declare const MAX_DOMAIN_LENGTH = 253;
export declare const MAX_DOMAIN_LABEL_LENGTH = 63;
export declare const MIN_API_KEY_LENGTH = 20;
export declare const LOG_LEVELS: {
    readonly DEBUG: 0;
    readonly INFO: 1;
    readonly WARN: 2;
    readonly ERROR: 3;
    readonly NONE: 4;
};
export type LogLevel = keyof typeof LOG_LEVELS;
export declare const DEFAULT_HTTP_CONFIG: {
    timeout: number;
    headers: {
        'User-Agent': string;
        'Content-Type': string;
        Accept: string;
        'X-SDK-Version': string;
    };
    validateStatus: (status: number) => boolean;
    maxRedirects: number;
    maxContentLength: number;
};
export declare const API_ENDPOINTS: {
    readonly LOGIN: "/auth/login";
    readonly REGISTER: "/auth/register";
    readonly LOGOUT: "/auth/logout";
    readonly REFRESH: "/auth/refresh";
    readonly VERIFY_EMAIL: "/auth/verify-email";
    readonly RESET_PASSWORD: "/auth/reset-password";
    readonly VALIDATE_SINGLE: "/validate/email";
    readonly VALIDATE_BATCH: "/validate/batch";
    readonly BATCH_UPLOAD: "/validate/batch/upload";
    readonly BATCH_STATUS: "/jobs/:jobId";
    readonly PROFILE: "/account/profile";
    readonly USAGE: "/validate/stats/usage";
    readonly API_KEYS: "/account/api-keys";
};
/**
 * Environment detection
 * CORREGIDO: Usar typeof para evitar error de referencia
 */
export declare const isNode: boolean;
export declare const isBrowser: boolean;
export declare const FEATURES: {
    readonly AUTO_RETRY: true;
    readonly RATE_LIMITING: true;
    readonly REQUEST_LOGGING: true;
    readonly RESPONSE_CACHING: false;
    readonly AUTO_TOKEN_REFRESH: true;
    readonly TELEMETRY: false;
};
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