diff --git a/Gemfile.lock b/Gemfile.lock
index 2db8f75..ce36fcc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -3,7 +3,7 @@ PATH
   specs:
     ar_sync (1.0.3)
       activerecord
-      ar_serializer (= 1.0.0)
+      ar_serializer
 
 GEM
   remote: https://rubygems.org/
@@ -21,7 +21,7 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    ar_serializer (1.0.0)
+    ar_serializer (1.1.0)
       activerecord
       top_n_loader
     arel (9.0.0)
@@ -37,7 +37,7 @@ GEM
     rake (12.3.2)
     sqlite3 (1.3.13)
     thread_safe (0.3.6)
-    top_n_loader (1.0.0)
+    top_n_loader (1.0.1)
       activerecord
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
@@ -53,4 +53,4 @@ DEPENDENCIES
   sqlite3
 
 BUNDLED WITH
-   1.16.1
+   2.1.2
diff --git a/ar_sync.gemspec b/ar_sync.gemspec
index d9b6022..904a356 100644
--- a/ar_sync.gemspec
+++ b/ar_sync.gemspec
@@ -21,7 +21,7 @@ Gem::Specification.new do |spec|
   spec.require_paths = ['lib']
 
   spec.add_dependency 'activerecord'
-  spec.add_dependency 'ar_serializer', '1.0.0'
+  spec.add_dependency 'ar_serializer'
   %w[rake pry sqlite3 activerecord-import].each do |gem_name|
     spec.add_development_dependency gem_name
   end
diff --git a/lib/ar_sync/class_methods.rb b/lib/ar_sync/class_methods.rb
index 9dab500..f0ee62c 100644
--- a/lib/ar_sync/class_methods.rb
+++ b/lib/ar_sync/class_methods.rb
@@ -64,14 +64,14 @@ def _sync_has_many(name, order: :asc, limit: nil, preload: nil, association: nil
     raise "order not in [:asc, :desc] : #{order}" unless %i[asc desc].include? order
     if data_block.nil? && preload.nil?
       underscore_name = name.to_s.underscore.to_sym
-      preload = lambda do |records, _context, params|
+      preload = lambda do |records, _context, **params|
         ArSerializer::Field.preload_association(
           self, records, association || underscore_name,
           order: (!limit && params && params[:order]) || order,
           limit: [params && params[:limit]&.to_i, limit].compact.min
         )
       end
-      data_block = lambda do |preloaded, _context, params|
+      data_block = lambda do |preloaded, _context, **params|
         records = preloaded ? preloaded[id] || [] : send(name)
         next records unless limit || order == :asc
         ArSync::CollectionWithOrder.new(
@@ -80,7 +80,7 @@ def _sync_has_many(name, order: :asc, limit: nil, preload: nil, association: nil
           limit: [params && params[:limit]&.to_i, limit].compact.min
         )
       end
-      serializer_data_block = lambda do |preloaded, _context, _params|
+      serializer_data_block = lambda do |preloaded, _context, **_params|
         preloaded ? preloaded[id] || [] : send(name)
       end
       params_type = { limit?: :int, order?: [{ :* => %w[asc desc] }, 'asc', 'desc'] }
diff --git a/lib/ar_sync/instance_methods.rb b/lib/ar_sync/instance_methods.rb
index ee19492..c052291 100644
--- a/lib/ar_sync/instance_methods.rb
+++ b/lib/ar_sync/instance_methods.rb
@@ -33,10 +33,10 @@ def _sync_current_parents_info
   def _serializer_field_value(name)
     field = self.class._serializer_field_info name
     preloadeds = field.preloaders.map do |preloader|
-      args = [[self], nil, {}]
+      args = [[self], nil]
       preloader.call(*(preloader.arity < 0 ? args : args.take(preloader.arity)))
     end
-    instance_exec(*preloadeds, nil, {}, &field.data_block)
+    instance_exec(*preloadeds, nil, &field.data_block)
   end
 
   def _sync_current_belongs_to_info
diff --git a/lib/ar_sync/type_script.rb b/lib/ar_sync/type_script.rb
index 9996352..777ba03 100644
--- a/lib/ar_sync/type_script.rb
+++ b/lib/ar_sync/type_script.rb
@@ -10,17 +10,14 @@ def self.generate_typed_files(api_class, dir:, comment: nil)
   end
 
   def self.generate_type_definition(api_class)
+    types = ArSerializer::TypeScript.related_serializer_types([api_class]).reject { |t| t.type == api_class }
     [
-      ArSerializer::TypeScript.generate_type_definition(api_related_classes(api_class)),
+      types.map { |t| data_type_definition t },
+      types.map { |t| query_type_definition t },
       request_type_definition(api_class)
     ].join "\n"
   end
 
-  def self.api_related_classes(api_class)
-    classes = ArSerializer::TypeScript.related_serializer_types([api_class]).map(&:type)
-    classes - [api_class]
-  end
-
   def self.request_type_definition(api_class)
     type = ArSerializer::GraphQL::TypeClass.from api_class
     definitions = []
@@ -98,4 +95,42 @@ def self.generate_hooks_script
       }
     CODE
   end
+
+  def self.query_type_definition(type)
+    field_definitions = type.fields.map do |field|
+      association_type = field.type.association_type
+      if association_type
+        qname = "Type#{association_type.name}Query"
+        if field.args.empty?
+          "#{field.name}?: true | #{qname} | { attributes?: #{qname} }"
+        else
+          "#{field.name}?: true | #{qname} | { params: #{field.args_ts_type}; attributes?: #{qname} }"
+        end
+      else
+        "#{field.name}?: true"
+      end
+    end
+    field_definitions << "'*'?: true"
+    query_type_name = "Type#{type.name}Query"
+    base_query_type_name = "Type#{type.name}QueryBase"
+    <<~TYPE
+      export type #{query_type_name} = keyof (#{base_query_type_name}) | Readonly<(keyof (#{base_query_type_name}))[]> | #{base_query_type_name}
+      export interface #{base_query_type_name} {
+      #{field_definitions.map { |line| "  #{line}" }.join("\n")}
+      }
+    TYPE
+  end
+
+  def self.data_type_definition(type)
+    field_definitions = []
+    type.fields.each do |field|
+      field_definitions << "#{field.name}: #{field.type.ts_type}"
+    end
+    field_definitions << "_meta?: { name: '#{type.name}'; query: Type#{type.name}QueryBase }"
+    <<~TYPE
+      export interface Type#{type.name} {
+      #{field_definitions.map { |line| "  #{line}" }.join("\n")}
+      }
+    TYPE
+  end
 end