private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.storageinsights.v1.FrequencyOptions,
            com.google.cloud.storageinsights.v1.FrequencyOptions.Builder,
            com.google.cloud.storageinsights.v1.FrequencyOptionsOrBuilder>
        getFrequencyOptionsFieldBuilder() {
      if (frequencyOptionsBuilder_ == null) {
        frequencyOptionsBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.storageinsights.v1.FrequencyOptions,
                com.google.cloud.storageinsights.v1.FrequencyOptions.Builder,
                com.google.cloud.storageinsights.v1.FrequencyOptionsOrBuilder>(
                getFrequencyOptions(), getParentForChildren(), isClean());
        frequencyOptions_ = null;
      }
      return frequencyOptionsBuilder_;
    }
<pre>
The frequency of report generation.
</pre>

<code>.google.cloud.storageinsights.v1.FrequencyOptions frequency_options = 5;</code>
java-storageinsights/proto-google-cloud-storageinsights-v1/src/main/java/com/google/cloud/storageinsights/v1/ReportConfig.java