Rename parameters to params

app/serializers/base_serializer.rb

 class BaseSerializer
-  attr_reader :parameters
+  attr_reader :params
 
-  def initialize(parameters = {})
-    @parameters = parameters
-    @request = EntityRequest.new(parameters)
+  def initialize(params = {})
+    @params = params
+    @request = EntityRequest.new(params)
   end
 
   def represent(resource, opts = {}, entity_class = nil)

app/serializers/group_child_serializer.rb

@@ -33,7 +33,7 @@ class GroupChildSerializer < BaseSerializer
   end
 
   def represent_hierarchy(hierarchy, opts)
-    serializer = self.class.new(parameters)
+    serializer = self.class.new(params)
 
     if hierarchy.is_a?(Hash)
       hierarchy.map do |parent, children|