// Add the MailSender field
final FieldMetadataBuilder mailSenderFieldBuilder = new FieldMetadataBuilder(
declaredByMetadataId, PRIVATE_TRANSIENT, annotations,
fieldName, MAIL_SENDER);
cidBuilder.addField(mailSenderFieldBuilder);
// Add the "sendMessage" method
cidBuilder.addMethod(getSendMethod(fieldName, async,
declaredByMetadataId, cidBuilder));
typeManagementService.createOrUpdateTypeOnDisk(cidBuilder.build());