KTVC4FCPSI5252INMRDWNS3PBDXU5V5PHWNCECWVNF2ZX4V62CKAC
4P4AGIIG55VT6Y3JZVZPB756H4N2C6NTVMWCOOGCOSY63K4ILBFAC
GQBUV2XOMEPMTXMPCBQWGGIUXGQDX77VTGPFIG6YT7G64ASOYHXQC
initialize_file(Cache[filename])
initialize_file_metadata(Cache[filename])