291   template <typename A, typename B> bool isOneOf(A K1, B K2) const {  in isOneOf()
292     return is(K1) || is(K2);  in isOneOf()
295   bool isOneOf(A K1, B K2, Ts... Ks) const {  in isOneOf()
296     return is(K1) || isOneOf(K2, Ks...);  in isOneOf()
303   bool startsSequence(A K1, Ts... Tokens) const {  in startsSequence()
304     return startsSequenceInternal(K1, Tokens...);  in startsSequence()
310   bool endsSequence(A K1, Ts... Tokens) const {  in endsSequence()
311     return endsSequenceInternal(K1, Tokens...);  in endsSequence()
448   bool startsSequenceInternal(A K1, Ts... Tokens) const {  in startsSequenceInternal()
450       return Next->startsSequenceInternal(K1, Tokens...);  in startsSequenceInternal()
451     return is(K1) && Next && Next->startsSequenceInternal(Tokens...);  in startsSequenceInternal()
455   bool startsSequenceInternal(A K1) const {  in startsSequenceInternal()
457       return Next->startsSequenceInternal(K1);  in startsSequenceInternal()
458     return is(K1);  in startsSequenceInternal()
462   bool endsSequenceInternal(A K1) const {  in endsSequenceInternal()
464       return Previous->endsSequenceInternal(K1);  in endsSequenceInternal()
465     return is(K1);  in endsSequenceInternal()
469   bool endsSequenceInternal(A K1, Ts... Tokens) const {  in endsSequenceInternal()
471       return Previous->endsSequenceInternal(K1, Tokens...);  in endsSequenceInternal()
472     return is(K1) && Previous && Previous->endsSequenceInternal(Tokens...);  in endsSequenceInternal()