presto-thrift-api/src/main/java/io/prestosql/plugin/thrift/api/valuesets/PrestoThriftRangeValueSet.java/PrestoThriftMarker/equals
class PrestoThriftMarker:        @Override
        public boolean equals(Object obj)
        {
            if (this == obj) {
                return true;
            }
            if (obj == null || getClass() != obj.getClass()) {
                return false;
            }
            PrestoThriftMarker other = (PrestoThriftMarker) obj;
            return Objects.equals(this.value, other.value) &&
                    Objects.equals(this.bound, other.bound);
        }