public void accept(@NotNull PsiElementVisitor visitor) {
   if (visitor instanceof DartVisitor) ((DartVisitor) visitor).visitReturnStatement(this);
   else super.accept(visitor);
 }
 public void accept(@NotNull PsiElementVisitor visitor) {
   if (visitor instanceof DartVisitor) ((DartVisitor) visitor).visitVarDeclarationList(this);
   else super.accept(visitor);
 }
 public void accept(@NotNull PsiElementVisitor visitor) {
   if (visitor instanceof DartVisitor)
     ((DartVisitor) visitor).visitFunctionDeclarationWithBodyOrNative(this);
   else super.accept(visitor);
 }
 public void accept(@NotNull PsiElementVisitor visitor) {
   if (visitor instanceof DartVisitor) ((DartVisitor) visitor).visitNormalFormalParameter(this);
   else super.accept(visitor);
 }
 public void accept(@NotNull PsiElementVisitor visitor) {
   if (visitor instanceof DartVisitor) ((DartVisitor) visitor).visitInterfaces(this);
   else super.accept(visitor);
 }
 public void accept(@NotNull PsiElementVisitor visitor) {
   if (visitor instanceof DartVisitor) ((DartVisitor) visitor).visitEnumDefinition(this);
   else super.accept(visitor);
 }
 public void accept(@NotNull PsiElementVisitor visitor) {
   if (visitor instanceof DartVisitor) ((DartVisitor) visitor).visitDefaultCase(this);
   else super.accept(visitor);
 }
 public void accept(@NotNull PsiElementVisitor visitor) {
   if (visitor instanceof DartVisitor)
     ((DartVisitor) visitor).visitLibraryComponentReferenceExpression(this);
   else super.accept(visitor);
 }
 public void accept(@NotNull PsiElementVisitor visitor) {
   if (visitor instanceof DartVisitor) ((DartVisitor) visitor).visitClassTypeAlias(this);
   else super.accept(visitor);
 }