def valid?
      return false if @category.nil?
      category_validator = EnumAttributeValidator.new('String', ["API_ERROR", "AUTHENTICATION_ERROR", "INVALID_REQUEST_ERROR", "RATE_LIMIT_ERROR", "PAYMENT_METHOD_ERROR", "REFUND_ERROR"])
      return false unless category_validator.valid?(@category)
      return false if @code.nil?
      code_validator = EnumAttributeValidator.new('String', ["INTERNAL_SERVER_ERROR", "UNAUTHORIZED", "ACCESS_TOKEN_EXPIRED", "ACCESS_TOKEN_REVOKED", "FORBIDDEN", "INSUFFICIENT_SCOPES", "APPLICATION_DISABLED", "V1_APPLICATION", "V1_ACCESS_TOKEN", "CARD_PROCESSING_NOT_ENABLED", "BAD_REQUEST", "MISSING_REQUIRED_PARAMETER", "INCORRECT_TYPE", "INVALID_TIME", "INVALID_TIME_RANGE", "INVALID_VALUE", "INVALID_CURSOR", "UNKNOWN_QUERY_PARAMETER", "CONFLICTING_PARAMETERS", "EXPECTED_JSON_BODY", "INVALID_SORT_ORDER", "VALUE_REGEX_MISMATCH", "VALUE_TOO_SHORT", "VALUE_TOO_LONG", "VALUE_TOO_LOW", "VALUE_TOO_HIGH", "VALUE_EMPTY", "ARRAY_LENGTH_TOO_LONG", "ARRAY_LENGTH_TOO_SHORT", "ARRAY_EMPTY", "EXPECTED_BOOLEAN", "EXPECTED_INTEGER", "EXPECTED_FLOAT", "EXPECTED_STRING", "EXPECTED_OBJECT", "EXPECTED_ARRAY", "EXPECTED_MAP", "EXPECTED_BASE64_ENCODED_BYTE_ARRAY", "INVALID_ARRAY_VALUE", "INVALID_ENUM_VALUE", "INVALID_CONTENT_TYPE", "INVALID_FORM_VALUE", "ONE_INSTRUMENT_EXPECTED", "NO_FIELDS_SET", "DEPRECATED_FIELD_SET", "CARD_EXPIRED", "INVALID_EXPIRATION", "INVALID_EXPIRATION_YEAR", "INVALID_EXPIRATION_DATE", "UNSUPPORTED_CARD_BRAND", "UNSUPPORTED_ENTRY_METHOD", "INVALID_ENCRYPTED_CARD", "INVALID_CARD", "DELAYED_TRANSACTION_EXPIRED", "DELAYED_TRANSACTION_CANCELED", "DELAYED_TRANSACTION_CAPTURED", "DELAYED_TRANSACTION_FAILED", "CARD_TOKEN_EXPIRED", "CARD_TOKEN_USED", "AMOUNT_TOO_HIGH", "UNSUPPORTED_INSTRUMENT_TYPE", "REFUND_AMOUNT_INVALID", "REFUND_ALREADY_PENDING", "PAYMENT_NOT_REFUNDABLE", "INVALID_CARD_DATA", "LOCATION_MISMATCH", "IDEMPOTENCY_KEY_REUSED", "UNEXPECTED_VALUE", "SANDBOX_NOT_SUPPORTED", "INVALID_EMAIL_ADDRESS", "INVALID_PHONE_NUMBER", "CHECKOUT_EXPIRED", "BAD_CERTIFICATE", "CARD_DECLINED", "VERIFY_CVV_FAILURE", "VERIFY_AVS_FAILURE", "CARD_DECLINED_CALL_ISSUER", "NOT_FOUND", "APPLE_PAYMENT_PROCESSING_CERTIFICATE_HASH_NOT_FOUND", "METHOD_NOT_ALLOWED", "NOT_ACCEPTABLE", "REQUEST_TIMEOUT", "CONFLICT", "REQUEST_ENTITY_TOO_LARGE", "UNSUPPORTED_MEDIA_TYPE", "RATE_LIMITED", "NOT_IMPLEMENTED", "SERVICE_UNAVAILABLE", "GATEWAY_TIMEOUT"])
      return false unless code_validator.valid?(@code)
      return true
    end
def valid?
      return false if @category.nil?
      category_validator = EnumAttributeValidator.new('String', ["API_ERROR", "AUTHENTICATION_ERROR", "INVALID_REQUEST_ERROR", "RATE_LIMIT_ERROR", "PAYMENT_METHOD_ERROR", "REFUND_ERROR"])
      return false unless category_validator.valid?(@category)
      return false if @code.nil?
      code_validator = EnumAttributeValidator.new('String', ["INTERNAL_SERVER_ERROR", "UNAUTHORIZED", "ACCESS_TOKEN_EXPIRED", "ACCESS_TOKEN_REVOKED", "FORBIDDEN", "INSUFFICIENT_SCOPES", "APPLICATION_DISABLED", "V1_APPLICATION", "V1_ACCESS_TOKEN", "CARD_PROCESSING_NOT_ENABLED", "BAD_REQUEST", "MISSING_REQUIRED_PARAMETER", "INCORRECT_TYPE", "INVALID_TIME", "INVALID_TIME_RANGE", "INVALID_VALUE", "INVALID_CURSOR", "UNKNOWN_QUERY_PARAMETER", "CONFLICTING_PARAMETERS", "EXPECTED_JSON_BODY", "INVALID_SORT_ORDER", "VALUE_REGEX_MISMATCH", "VALUE_TOO_SHORT", "VALUE_TOO_LONG", "VALUE_TOO_LOW", "VALUE_TOO_HIGH", "VALUE_EMPTY", "ARRAY_LENGTH_TOO_LONG", "ARRAY_LENGTH_TOO_SHORT", "ARRAY_EMPTY", "EXPECTED_BOOLEAN", "EXPECTED_INTEGER", "EXPECTED_FLOAT", "EXPECTED_STRING", "EXPECTED_OBJECT", "EXPECTED_ARRAY", "EXPECTED_MAP", "EXPECTED_BASE64_ENCODED_BYTE_ARRAY", "INVALID_ARRAY_VALUE", "INVALID_ENUM_VALUE", "INVALID_CONTENT_TYPE", "INVALID_FORM_VALUE", "ONE_INSTRUMENT_EXPECTED", "NO_FIELDS_SET", "DEPRECATED_FIELD_SET", "CARD_EXPIRED", "INVALID_EXPIRATION", "INVALID_EXPIRATION_YEAR", "INVALID_EXPIRATION_DATE", "UNSUPPORTED_CARD_BRAND", "UNSUPPORTED_ENTRY_METHOD", "INVALID_ENCRYPTED_CARD", "INVALID_CARD", "DELAYED_TRANSACTION_EXPIRED", "DELAYED_TRANSACTION_CANCELED", "DELAYED_TRANSACTION_CAPTURED", "DELAYED_TRANSACTION_FAILED", "CARD_TOKEN_EXPIRED", "CARD_TOKEN_USED", "AMOUNT_TOO_HIGH", "UNSUPPORTED_INSTRUMENT_TYPE", "REFUND_AMOUNT_INVALID", "REFUND_ALREADY_PENDING", "PAYMENT_NOT_REFUNDABLE", "INVALID_CARD_DATA", "LOCATION_MISMATCH", "IDEMPOTENCY_KEY_REUSED", "UNEXPECTED_VALUE", "SANDBOX_NOT_SUPPORTED", "INVALID_EMAIL_ADDRESS", "INVALID_PHONE_NUMBER", "CHECKOUT_EXPIRED", "BAD_CERTIFICATE", "CARD_DECLINED", "VERIFY_CVV_FAILURE", "VERIFY_AVS_FAILURE", "CARD_DECLINED_CALL_ISSUER", "NOT_FOUND", "APPLE_PAYMENT_PROCESSING_CERTIFICATE_HASH_NOT_FOUND", "METHOD_NOT_ALLOWED", "NOT_ACCEPTABLE", "REQUEST_TIMEOUT", "CONFLICT", "REQUEST_ENTITY_TOO_LARGE", "UNSUPPORTED_MEDIA_TYPE", "RATE_LIMITED", "NOT_IMPLEMENTED", "SERVICE_UNAVAILABLE", "GATEWAY_TIMEOUT"])
      return false unless code_validator.valid?(@code)
      return true
    end
Check to see if the all the properties in the model are valid
 @return true if the model is valid