system-entities content-hint GUID_partition_scheme dev-entry /dev/disk2 potentially-mountable unmapped-content-hint GUID_partition_scheme content-hint Apple_HFS dev-entry /dev/disk2s1 mount-point /Volumes/XcodeME potentially-mountable unmapped-content-hint 48465300-0000-11AA-AA11-00306543ECAC volume-kind hfs