/*
  * @see ASTVisitor#visit(QualifiedName)
  */
 public boolean visit(QualifiedName node) {
   node.getQualifier().accept(this);
   this.fBuffer.append("."); // $NON-NLS-1$
   node.getName().accept(this);
   return false;
 }
 public boolean visit(QualifiedName node) {
   // only consider the left most identifier.
   node.getQualifier().accept(this);
   return false;
 }