default DescribeFeaturesResult describeFeatures() {
        return describeFeatures(new DescribeFeaturesOptions());
    }
Describes finalized as well as supported features.
<p>
This is a convenience method for {@link #describeFeatures(DescribeFeaturesOptions)} with default options.
See the overload for more details.

@return the {@link DescribeFeaturesResult} containing the result
clients/src/main/java/org/apache/kafka/clients/admin/Admin.java