presto-parser/src/main/java/io/prestosql/sql/tree/Revoke.java/Revoke/equals
class Revoke:    @Override
    public boolean equals(Object obj)
    {
        if (this == obj) {
            return true;
        }
        if (obj == null || getClass() != obj.getClass()) {
            return false;
        }
        Revoke o = (Revoke) obj;
        return Objects.equals(grantOptionFor, o.grantOptionFor) &&
                Objects.equals(privileges, o.privileges) &&
                Objects.equals(table, o.table) &&
                Objects.equals(tableName, o.tableName) &&
                Objects.equals(grantee, o.grantee);
    }