private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.storageinsights.v1.ParquetOptions,
            com.google.cloud.storageinsights.v1.ParquetOptions.Builder,
            com.google.cloud.storageinsights.v1.ParquetOptionsOrBuilder>
        getParquetOptionsFieldBuilder() {
      if (parquetOptionsBuilder_ == null) {
        if (!(reportFormatCase_ == 7)) {
          reportFormat_ = com.google.cloud.storageinsights.v1.ParquetOptions.getDefaultInstance();
        }
        parquetOptionsBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.storageinsights.v1.ParquetOptions,
                com.google.cloud.storageinsights.v1.ParquetOptions.Builder,
                com.google.cloud.storageinsights.v1.ParquetOptionsOrBuilder>(
                (com.google.cloud.storageinsights.v1.ParquetOptions) reportFormat_,
                getParentForChildren(),
                isClean());
        reportFormat_ = null;
      }
      reportFormatCase_ = 7;
      onChanged();
      return parquetOptionsBuilder_;
    }
<pre>
Options for Parquet formatted reports.
</pre>

<code>.google.cloud.storageinsights.v1.ParquetOptions parquet_options = 7;</code>
java-storageinsights/proto-google-cloud-storageinsights-v1/src/main/java/com/google/cloud/storageinsights/v1/ReportConfig.java