[TODO: squash] Move replace_with_multiple

lib/rbi/model.rb

@@ -42,16 +42,6 @@ def replace(node)
       self.parent_tree = nil
     end
 
-    sig { params(nodes: T::Enumerable[Node]).void }
-    def replace_with_multiple(nodes)
-      tree = parent_tree
-      raise unless tree
-
-      # Does this work?
-      nodes.each { |node| tree << node }
-      detach
-    end
-
     sig { returns(T.nilable(Scope)) }
     def parent_scope
       parent = T.let(parent_tree, T.nilable(Tree))

lib/rbi/rewriters/replace_attributes_with_methods.rb

@@ -23,7 +23,7 @@ def visit(node)
 
             new_methods = convert_to_methods(attr)
 
-            child.replace_with_multiple(new_methods)
+            replace(child, with: new_methods)
           end
         end
       end
@@ -131,6 +131,14 @@ def create_setter_method(name, sig, attribute_type, visibility, loc, comments) #
           comments: comments,
         )
       end
+
+      def replace(node, with:)
+        tree = node.parent_tree
+        raise unless tree
+
+        with.each { |node| tree << node }
+        node.detach
+      end
     end
   end