private com.google.protobuf.SingleFieldBuilderV3<
            com.google.rpc.Status, com.google.rpc.Status.Builder, com.google.rpc.StatusOrBuilder>
        getErrorFieldBuilder() {
      if (errorBuilder_ == null) {
        errorBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.rpc.Status,
                com.google.rpc.Status.Builder,
                com.google.rpc.StatusOrBuilder>(getError(), getParentForChildren(), isClean());
        error_ = null;
      }
      return errorBuilder_;
    }
<pre>
Output only. Provides details on the state of the report in case of an
error.
</pre>

<code>.google.rpc.Status error = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
java-vmmigration/proto-google-cloud-vmmigration-v1/src/main/java/com/google/cloud/vmmigration/v1/UtilizationReport.java