private void removeStatement(ASTRewrite rewrite, ASTNode statementNode, TextEditGroup group) {
   if (ASTNodes.isControlStatementBody(statementNode.getLocationInParent())) {
     rewrite.replace(statementNode, rewrite.getAST().newBlock(), group);
   } else {
     rewrite.remove(statementNode, group);
   }
 }
 private static ITypeBinding getQualifier(SimpleName selector) {
   ASTNode parent = selector.getParent();
   switch (parent.getNodeType()) {
     case ASTNode.METHOD_INVOCATION:
       MethodInvocation decl = (MethodInvocation) parent;
       if (selector == decl.getName()) {
         return getBinding(decl.getExpression());
       }
       return null;
     case ASTNode.QUALIFIED_NAME:
       QualifiedName qualifiedName = (QualifiedName) parent;
       if (selector == qualifiedName.getName()) {
         return getBinding(qualifiedName.getQualifier());
       }
       return null;
     case ASTNode.FIELD_ACCESS:
       FieldAccess fieldAccess = (FieldAccess) parent;
       if (selector == fieldAccess.getName()) {
         return getBinding(fieldAccess.getExpression());
       }
       return null;
     case ASTNode.SUPER_FIELD_ACCESS:
       {
         ITypeBinding curr = Bindings.getBindingOfParentType(parent);
         return curr.getSuperclass();
       }
     case ASTNode.SUPER_METHOD_INVOCATION:
       {
         SuperMethodInvocation superInv = (SuperMethodInvocation) parent;
         if (selector == superInv.getName()) {
           ITypeBinding curr = Bindings.getBindingOfParentType(parent);
           return curr.getSuperclass();
         }
         return null;
       }
     default:
       if (parent instanceof Type) {
         // bug 67644: in 'a.new X()', all member types of A are visible as location of X.
         ASTNode normalizedNode = ASTNodes.getNormalizedNode(parent);
         if (normalizedNode.getLocationInParent() == ClassInstanceCreation.TYPE_PROPERTY) {
           ClassInstanceCreation creation = (ClassInstanceCreation) normalizedNode.getParent();
           return getBinding(creation.getExpression());
         }
       }
       return null;
   }
 }