public Builder clearError() {
      bitField0_ = (bitField0_ & ~0x00000008);
      error_ = null;
      if (errorBuilder_ != null) {
        errorBuilder_.dispose();
        errorBuilder_ = null;
      }
      onChanged();
      return this;
    }
<pre>
Only populated when operation doesn't succeed.
</pre>

<code>.google.rpc.Status error = 4;</code>
java-translate/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/DeleteDatasetMetadata.java