void function ( ) { readOnly = true ; }
marks this permissioncollection object as `` readonly '' . after a permissioncollection object is marked as readonly , no new permission objects can be added to it using add . concode_field_sep long serialVersionUID concode_elem_sep boolean readOnly concode_field_sep void add concode_elem_sep boolean isReadOnly concode_elem_sep Enumeration<Permission> elements concode_elem_sep String toString concode_elem_sep boolean implies