presto-accumulo/src/main/java/io/prestosql/plugin/accumulo/index/ColumnCardinalityCache.java/ColumnCardinalityCache/toString
class ColumnCardinalityCache:        @Override
        public String toString()
        {
            return toStringHelper(this)
                    .add("schema", schema)
                    .add("table", table)
                    .add("family", family)
                    .add("qualifier", qualifier)
                    .add("range", range).toString();
        }