public com.google.protobuf.ByteString getUtilizationReportIdBytes() {
      java.lang.Object ref = utilizationReportId_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        utilizationReportId_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
<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 The bytes for utilizationReportId.
java-vmmigration/proto-google-cloud-vmmigration-v1/src/main/java/com/google/cloud/vmmigration/v1/CreateUtilizationReportRequest.java