/**
 * VeSync API Error Codes
 */
export declare const CREDENTIAL_ERROR_CODES: number[];
export declare const CROSS_REGION_ERROR_CODES: number[];
export declare const TOKEN_ERROR_CODES: number[];
export declare const APP_VERSION_ERROR_CODES: number[];
/**
 * Check if an error code indicates bad credentials
 */
export declare function isCredentialError(code: number): boolean;
/**
 * Check if an error code indicates cross-region issue
 */
export declare function isCrossRegionError(code: number): boolean;
/**
 * Check if an error code indicates the token is invalid/expired.
 */
export declare function isTokenError(code: number): boolean;