Add types for kaminari-activerecord

gems/kaminari-activerecord/1.2/_test/test.rb

@@ -0,0 +1,8 @@
+require "kaminari-activerecord"
+
+class User < ActiveRecord::Base
+end
+
+
+User.page(1).per(10)
+User.where(name: "John").page(1).per(10)

gems/kaminari-activerecord/1.2/_test/test.rbs

@@ -0,0 +1,7 @@
+class User < ActiveRecord::Base
+  extend ::ActiveRecord::Base::ClassMethods[User, ActiveRecord_Relation, Integer]
+
+  class ActiveRecord_Relation < ::ActiveRecord::Relation
+    include ::ActiveRecord::Relation::Methods[User, Integer]
+  end
+end

gems/kaminari-activerecord/1.2/kaminari-activerecord.rbs

@@ -0,0 +1,34 @@
+module Kaminari
+  module ActiveRecordRelationMethods
+    def entry_name: (**untyped options) -> String
+    def reset: () -> void
+    def total_count: (?untyped column_name, untyped _options) -> Integer
+    def without_count: () -> void
+  end
+end
+
+module ActiveRecord
+  class Base
+    include Kaminari::ConfigurationMethods
+    extend Kaminari::ConfigurationMethods::ClassMethods
+
+    def self.page: (?Integer num) -> untyped
+  end
+end
+
+
+module ActiveRecord
+  class Base
+    module ClassMethods[Model, Relation, PrimaryKey]
+      def page: (?_ToI num) -> Relation
+    end
+  end
+
+  class Relation
+    module Methods[Model, PrimaryKey]
+      include Kaminari::ActiveRecordRelationMethods
+      include Kaminari::PageScopeMethods
+      def page: (?_ToI num) -> self
+    end
+  end
+end