presto-main/src/main/java/io/prestosql/sql/DynamicFilters.java/Descriptor/equals
class Descriptor:        @Override
        public boolean equals(Object o)
        {
            if (this == o) {
                return true;
            }
            if (o == null || getClass() != o.getClass()) {
                return false;
            }
            Descriptor that = (Descriptor) o;
            return Objects.equals(id, that.id) &&
                    Objects.equals(input, that.input);
        }