question: return user name concode_field_sep WritableFactory FACTORY concode_elem_sep FsPermission permission concode_elem_sep String groupname concode_elem_sep String username concode_field_sep void readFields concode_elem_sep String getGroupName concode_elem_sep FsPermission getPermission concode_elem_sep PermissionStatus read concode_elem_sep PermissionStatus applyUMask concode_elem_sep Writable newInstance concode_elem_sep String toString concode_elem_sep PermissionStatus createImmutable concode_elem_sep void write concode_elem_sep void write
target: String function ( ) { return username ; }