void function ( ) { frozen = true ; }
`` freezes '' this context stack so it becomes immutable : all mutator methods will throw an exception from now on . concode_field_sep long serialVersionUID concode_elem_sep boolean frozen concode_elem_sep List<String> list concode_field_sep int getDepth concode_elem_sep List<String> asList concode_elem_sep boolean remove concode_elem_sep String pop concode_elem_sep Iterator<String> iterator concode_elem_sep boolean removeAll concode_elem_sep void trim concode_elem_sep void checkInvariants concode_elem_sep int hashCode concode_elem_sep Object[] toArray concode_elem_sep T[] toArray concode_elem_sep ContextStack getImmutableStackOrNull concode_elem_sep ThreadContextStack copy concode_elem_sep boolean isFrozen concode_elem_sep boolean add concode_elem_sep boolean containsAll concode_elem_sep void clear concode_elem_sep boolean isEmpty concode_elem_sep void push concode_elem_sep String peek concode_elem_sep boolean contains concode_elem_sep int size concode_elem_sep boolean addAll concode_elem_sep boolean equals concode_elem_sep String toString concode_elem_sep boolean retainAll