sets the key . concode_field_sep Container<K,V> parent concode_elem_sep V content concode_elem_sep K key concode_field_sep Object getKey concode_elem_sep void setContent concode_elem_sep Container<K,V> getParent concode_elem_sep V getContent concode_elem_sep void setParent
void function ( K arg0 ) { this . key = arg0 ; }