public new ConversionOption removeOption(string key)
{
IntPtr cPtr = libsbmlPINVOKE.ConversionProperties_removeOption(swigCPtr, key);
ConversionOption ret = (cPtr == IntPtr.Zero) ? null : new ConversionOption(cPtr, false);
if (libsbmlPINVOKE.SWIGPendingException.Pending) throw libsbmlPINVOKE.SWIGPendingException.Retrieve();
return ret;
}