'mime', 'mediadtype', 'bitdepth'.
Clients that process these fields should first check if 'filemissing' is
set. Fields that are supported even if the file is missing include:
'mime', 'mediadtype', 'bitdepth'.
Clients that process these fields should first check if 'filemissing' is
set. Fields that are supported even if the file is missing include: