public Builder clearIndexError() {
      bitField0_ = (bitField0_ & ~0x00000008);
      indexError_ = null;
      if (indexErrorBuilder_ != null) {
        indexErrorBuilder_.dispose();
        indexErrorBuilder_ = null;
      }
      onChanged();
      return this;
    }
<pre>
Output only. If there was an error with indexing the product set, the field
is populated.

This field is ignored when creating a ProductSet.
</pre>

<code>.google.rpc.Status index_error = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
java-vision/proto-google-cloud-vision-v1p4beta1/src/main/java/com/google/cloud/vision/v1p4beta1/ProductSet.java