checks whether a user has permission to perform a specific action on a path . this check will pass if the path is invalid . concode_field_sep InodeTree mInodeTree concode_elem_sep boolean mPermissionCheckEnabled concode_elem_sep String mFileSystemSuperGroup concode_field_sep void checkOwner concode_elem_sep void checkInode concode_elem_sep void checkSetAttributePermission concode_elem_sep void checkParentPermission concode_elem_sep boolean isPrivilegedUser concode_elem_sep void checkInodeList concode_elem_sep void checkSuperUser concode_elem_sep String getClientUser concode_elem_sep List<String> getGroups concode_elem_sep String toExceptionMessage