public Builder clearUtilizationReportId() {
      utilizationReportId_ = getDefaultInstance().getUtilizationReportId();
      bitField0_ = (bitField0_ & ~0x00000004);
      onChanged();
      return this;
    }
<pre>
Required. The ID to use for the report, which will become the final
component of the reports's resource name.

This value maximum length is 63 characters, and valid characters
are /[a-z][0-9]-/. It must start with an english letter and must not
end with a hyphen.
</pre>

<code>string utilization_report_id = 3 [(.google.api.field_behavior) = REQUIRED];</code>

@return This builder for chaining.
java-vmmigration/proto-google-cloud-vmmigration-v1/src/main/java/com/google/cloud/vmmigration/v1/CreateUtilizationReportRequest.java