模块：Mongo::Grid
- 定义于：
- build/Ruby-driver-v 2.19 /lib/mongo/grid/file.rb ,
build/Ruby-driver-v 2.19 /lib/mongo/grid/stream.rb,
build/Ruby-driver-v 2.19 /lib/mongo/grid/file/info.rb,
build/Ruby-driver-v 2.19 /lib/mongo/grid/fs_bucket.rb,
build/Ruby-driver-v 2 。 19 /lib/mongo/grid/file/chunk.rb,
build/Ruby-driver-v 2 . 19 /lib/mongo/grid/stream/read.rb,
build/Ruby-driver-v 2 . 19 /lib/mongo/grid/stream/write.rb