code: public OvhDatabaseExtension serviceName_database_databaseName_extension_extensionName_GET(String serviceName, String databaseName, String extensionName) throws IOException {
  		String qPath = "/hosting/privateDatabase/{serviceName}/database/{databaseName}/extension/{extensionName}";
  		StringBuilder sb = path(qPath, serviceName, databaseName, extensionName);
  		String resp = exec(qPath, "GET", sb.toString(), null);
  		return convertTo(resp, OvhDatabaseExtension.class);
  	}
docs: Get this object properties
  
  REST: GET /hosting/privateDatabase/{serviceName}/database/{databaseName}/extension/{extensionName}
  @param serviceName [required] The internal name of your private database
  @param databaseName [required] Database name
  @param extensionName [required] Extension name