/**
 * Type definitions for authentication-related functionality
 */
/**
 * Amazon Selling Partner API regions
 */
export declare enum AmazonRegion {
    NA = "NA",// North America
    EU = "EU",// Europe
    FE = "FE"
}
/**
 * Region endpoint configuration
 */
export interface RegionEndpoint {
    endpoint: string;
    region: string;
}
/**
 * Map of region codes to endpoint configurations
 */
export declare const REGION_ENDPOINTS: Record<AmazonRegion, RegionEndpoint>;
/**
 * Amazon Selling Partner API credentials
 */
export interface AmazonCredentials {
    clientId: string;
    clientSecret: string;
    refreshToken: string;
    accessKeyId?: string;
    secretAccessKey?: string;
    roleArn?: string;
}
/**
 * Authentication tokens
 */
export interface AuthTokens {
    accessToken: string;
    expiresAt: number;
}
/**
 * Authentication configuration
 */
export interface AuthConfig {
    credentials: AmazonCredentials;
    region: AmazonRegion;
    marketplaceId: string;
    tokenCacheTimeMs?: number;
}
/**
 * Request to be signed with AWS Signature V4
 */
export interface SignableRequest {
    method: string;
    url: string;
    headers: Record<string, string>;
    data?: unknown;
}
/**
 * Authentication error types
 */
export declare enum AuthErrorType {
    INVALID_CREDENTIALS = "INVALID_CREDENTIALS",
    TOKEN_REFRESH_FAILED = "TOKEN_REFRESH_FAILED",
    REQUEST_SIGNING_FAILED = "REQUEST_SIGNING_FAILED",
    NETWORK_ERROR = "NETWORK_ERROR",
    UNKNOWN_ERROR = "UNKNOWN_ERROR"
}
/**
 * Authentication error
 */
export declare class AuthError extends Error {
    type: AuthErrorType;
    cause?: Error;
    constructor(message: string, type: AuthErrorType, cause?: Error);
}