<div dir="ltr"><div>Hello,</div><div>The ContentStore class is not available in ndnSIM 
2.8 version, the last version that supported it is ndnSIM 2.7. You 
should follow this link to include the ContentStore class in ndnSIM 2.8 
 <a href="https://github.com/named-data-ndnSIM/ndnSIM/pull/111/commits/a918bd36475c7515cb4121b571426de7b4a7ae3d" target="_blank">https://github.com/named-data-ndnSIM/ndnSIM/pull/111/commits/a918bd36475c7515cb4121b571426de7b4a7ae3d</a></div><div><br></div><div> Thanks & Regards</div><font color="#888888"><div>Amal</div></font></div>