mongoid 8.1.5
Mongoid is an ODM (Object Document Mapper) Framework for MongoDB, written in Ruby.
          Gemfile:
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          安装:
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      Runtime 依赖 (4):
            activemodel
            >= 5.1, < 7.2, != 7.0.0
          
          
            concurrent-ruby
            >= 1.0.5, < 2.0
          
          
            mongo
            >= 2.18.0, < 3.0.0
          
          
            ruby2_keywords
            ~> 0.0.5
          
    Development 依赖 (1):
            bson
            >= 4.14.0, < 5.0.0