private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.storageinsights.v1.CloudStorageFilters,
            com.google.cloud.storageinsights.v1.CloudStorageFilters.Builder,
            com.google.cloud.storageinsights.v1.CloudStorageFiltersOrBuilder>
        getStorageFiltersFieldBuilder() {
      if (storageFiltersBuilder_ == null) {
        if (!(filterCase_ == 2)) {
          filter_ = com.google.cloud.storageinsights.v1.CloudStorageFilters.getDefaultInstance();
        }
        storageFiltersBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.storageinsights.v1.CloudStorageFilters,
                com.google.cloud.storageinsights.v1.CloudStorageFilters.Builder,
                com.google.cloud.storageinsights.v1.CloudStorageFiltersOrBuilder>(
                (com.google.cloud.storageinsights.v1.CloudStorageFilters) filter_,
                getParentForChildren(),
                isClean());
        filter_ = null;
      }
      filterCase_ = 2;
      onChanged();
      return storageFiltersBuilder_;
    }
<pre>
Cloud Storage as the storage system.
</pre>

<code>.google.cloud.storageinsights.v1.CloudStorageFilters storage_filters = 2;</code>
java-storageinsights/proto-google-cloud-storageinsights-v1/src/main/java/com/google/cloud/storageinsights/v1/ObjectMetadataReportOptions.java