Required files
mongoid/extensions/array/deletion
mongoid/extensions/false_class/equality
mongoid/extensions/hash/criteria_helpers
mongoid/extensions/hash/scoping
mongoid/extensions/integer/checks
mongoid/extensions/nil/collectionization
mongoid/extensions/object/checks
mongoid/extensions/object/reflections
mongoid/extensions/object/substitutable
mongoid/extensions/object/yoda
mongoid/extensions/proc/scoping
mongoid/extensions/string/checks
mongoid/extensions/string/conversions
mongoid/extensions/string/inflections
mongoid/extensions/symbol/checks
mongoid/extensions/symbol/inflections
mongoid/extensions/true_class/equality
mongoid/extensions/object_id/conversions