/// <summary>
/// Fetch a MethodRef descriptor for the method "retType name (pars, optPars)".
/// If one exists, it is returned, else one is created.
/// </summary>
/// <param name="name">method name</param>
/// <param name="retType">return type</param>
/// <param name="pars">parameter types</param>
/// <param name="optPars">optional param types for this vararg method</param>
/// <returns>a descriptor for this method</returns>
public MethodRef AddVarArgMethod(string name, Type retType, Type[] pars, Type[] optPars)
{
Contract.Requires(name != null);
Contract.Requires(retType != null);
Contract.Requires(pars != null);
Contract.Requires(optPars != null);
MethodRef meth = defaultClass.AddVarArgMethod(name, retType, pars, optPars);
return(meth);
}