use Red::AST; use Red::AST::Comment; unit class Red::AST::Chained does Red::AST; has Red::AST $.filter; has Int $.limit; has Int $.offset is rw; has &.post; has Red::AST @.order; has Red::AST @.group; has @.table-list; has Red::AST::Chained $.next; method args { $!filter, |@!order, |@!group, |(.args with $!next) } method returns {} method find-column-name {}