public boolean hasStartDate() {
      return ((bitField0_ & 0x00000002) != 0);
    }
<pre>
The date from which report generation should start.
UTC time zone.
</pre>

<code>.google.type.Date start_date = 2;</code>

@return Whether the startDate field is set.
java-storageinsights/proto-google-cloud-storageinsights-v1/src/main/java/com/google/cloud/storageinsights/v1/FrequencyOptions.java