public int addPackageNamespace(string pkgName, long pkgVersion) { int ret = libsbmlPINVOKE.SBMLNamespaces_addPackageNamespace__SWIG_1(swigCPtr, pkgName, pkgVersion); if (libsbmlPINVOKE.SWIGPendingException.Pending) throw libsbmlPINVOKE.SWIGPendingException.Retrieve(); return ret; }