private com.google.protobuf.RepeatedFieldBuilderV3<
            com.google.cloud.visionai.v1.UpdateApplicationInstancesRequest
                .UpdateApplicationInstance,
            com.google.cloud.visionai.v1.UpdateApplicationInstancesRequest.UpdateApplicationInstance
                .Builder,
            com.google.cloud.visionai.v1.UpdateApplicationInstancesRequest
                .UpdateApplicationInstanceOrBuilder>
        getApplicationInstancesFieldBuilder() {
      if (applicationInstancesBuilder_ == null) {
        applicationInstancesBuilder_ =
            new com.google.protobuf.RepeatedFieldBuilderV3<
                com.google.cloud.visionai.v1.UpdateApplicationInstancesRequest
                    .UpdateApplicationInstance,
                com.google.cloud.visionai.v1.UpdateApplicationInstancesRequest
                    .UpdateApplicationInstance.Builder,
                com.google.cloud.visionai.v1.UpdateApplicationInstancesRequest
                    .UpdateApplicationInstanceOrBuilder>(
                applicationInstances_,
                ((bitField0_ & 0x00000002) != 0),
                getParentForChildren(),
                isClean());
        applicationInstances_ = null;
      }
      return applicationInstancesBuilder_;
    }
<code>
repeated .google.cloud.visionai.v1.UpdateApplicationInstancesRequest.UpdateApplicationInstance application_instances = 2;
</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/UpdateApplicationInstancesRequest.java