presto-accumulo/src/main/java/io/prestosql/plugin/accumulo/model/AccumuloColumnConstraint.java/AccumuloColumnConstraint/toString
class AccumuloColumnConstraint:    @Override
    public String toString()
    {
        return toStringHelper(this)
                .add("name", this.name)
                .add("family", this.family)
                .add("qualifier", this.qualifier)
                .add("indexed", this.indexed)
                .add("domain", this.domain)
                .toString();
    }