private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.telcoautomation.v1.StandardManagementConfig,
            com.google.cloud.telcoautomation.v1.StandardManagementConfig.Builder,
            com.google.cloud.telcoautomation.v1.StandardManagementConfigOrBuilder>
        getStandardManagementConfigFieldBuilder() {
      if (standardManagementConfigBuilder_ == null) {
        if (!(oneofConfigCase_ == 1)) {
          oneofConfig_ =
              com.google.cloud.telcoautomation.v1.StandardManagementConfig.getDefaultInstance();
        }
        standardManagementConfigBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.telcoautomation.v1.StandardManagementConfig,
                com.google.cloud.telcoautomation.v1.StandardManagementConfig.Builder,
                com.google.cloud.telcoautomation.v1.StandardManagementConfigOrBuilder>(
                (com.google.cloud.telcoautomation.v1.StandardManagementConfig) oneofConfig_,
                getParentForChildren(),
                isClean());
        oneofConfig_ = null;
      }
      oneofConfigCase_ = 1;
      onChanged();
      return standardManagementConfigBuilder_;
    }
<pre>
Configuration of the standard (GKE) cluster management
</pre>

<code>
.google.cloud.telcoautomation.v1.StandardManagementConfig standard_management_config = 1;
</code>
java-telcoautomation/proto-google-cloud-telcoautomation-v1/src/main/java/com/google/cloud/telcoautomation/v1/ManagementConfig.java