internal static HandleRef getCPtr(SBMLExtension obj) { return (obj == null) ? new HandleRef(null, IntPtr.Zero) : obj.swigCPtr; }
int setSBMLExtension(SBMLExtension ext) { int ret = libsbmlPINVOKE.ASTBasePlugin_setSBMLExtension(swigCPtr, SBMLExtension.getCPtr(ext)); return(ret); }