public DFAContentModel(CMNode syntaxTree,int leafCount,boolean mixed){
  fLeafCount=leafCount;
  fMixed=mixed;
  buildDFA(syntaxTree);
}

public DFAContentModel ( CMNode syntaxTree , int leafCount , boolean mixed ) { fLeafCount = leafCount ; fMixed = mixed ; buildDFA ( syntaxTree ) ; }
constructs a dfa content model .
