Content type of this file.
Content type of this file.
Name of this file.
Name of this file.
Id of this file.
Id of this file.
A BSONDocument holding all the metadata that are not standard.
A BSONDocument holding all the metadata that are not standard.
Date when this file was uploaded.
Date when this file was uploaded.
A file that will be saved in a GridFS store.
Type of the id of this file (generally
BSONObjectID
orBSONValue
).