Model for OSF APIv2 files. This model may be used with one of several API endpoints. It may be queried directly, or (more commonly) accessed via relationship fields. This model is used for basic file metadata. To interact with file contents directly, see the file-manager service. For field and usage information, see:

• https://api.osf.io/v2/docs/#!/v2/File_Detail_GET
• https://api.osf.io/v2/docs/#!/v2/Node_Files_List_GET
• https://api.osf.io/v2/docs/#!/v2/Node_File_Detail_GET
• https://api.osf.io/v2/docs/#!/v2/Registration_Files_List_GET
• https://api.osf.io/v2/docs/#!/v2/Registration_File_Detail_GET