ePtrKeepers&lt;NeighborRelationContact&gt;</a> neighbor_relation_contact_ptr_vector_keeper_;</div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;</div><div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;    <span class="keyword">protected</span>:</div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;        <a class="code" href="class_std_vec_3_01_cell_linked_list_01_5_01_4.html">StdVec&lt;CellLinkedList *&gt;</a> target_c