presto-parser/src/main/java/io/prestosql/sql/tree/AtTimeZone.java/AtTimeZone/equals
class AtTimeZone:    @Override
    public boolean equals(Object obj)
    {
        if (this == obj) {
            return true;
        }
        if ((obj == null) || (getClass() != obj.getClass())) {
            return false;
        }
        AtTimeZone atTimeZone = (AtTimeZone) obj;
        return Objects.equals(value, atTimeZone.value) && Objects.equals(timeZone, atTimeZone.timeZone);
    }