@java.lang.Override
  public int getSerializedSize() {
    int size = memoizedSize;
    if (size != -1) return size;

    size = 0;
    {
      int dataSize = 0;
      for (int i = 0; i < metadataFields_.size(); i++) {
        dataSize += computeStringSizeNoTag(metadataFields_.getRaw(i));
      }
      size += dataSize;
      size += 1 * getMetadataFieldsList().size();
    }
    if (filterCase_ == 2) {
      size +=
          com.google.protobuf.CodedOutputStream.computeMessageSize(
              2, (com.google.cloud.storageinsights.v1.CloudStorageFilters) filter_);
    }
    if (destinationOptionsCase_ == 3) {
      size +=
          com.google.protobuf.CodedOutputStream.computeMessageSize(
              3,
              (com.google.cloud.storageinsights.v1.CloudStorageDestinationOptions)
                  destinationOptions_);
    }
    size += getUnknownFields().getSerializedSize();
    memoizedSize = size;
    return size;
  }
<pre>
Cloud Storage as the storage system.
</pre>

<code>
.google.cloud.storageinsights.v1.CloudStorageDestinationOptions storage_destination_options = 3;
</code>
java-storageinsights/proto-google-cloud-storageinsights-v1/src/main/java/com/google/cloud/storageinsights/v1/ObjectMetadataReportOptions.java