(
    ~methodsThatFailed = List.new;
    ~methodsThatPassed = List.new;
    Object.allSubclasses.do({arg item;
        item.methods.do({arg jtem;
            var method = jtem;
            try {
                method.argumentString;
                ".argumentString PASSED for: %".format(method.asString).postln;
                ~methodsThatPassed.add( method);
            } {|err|
                ".argumentString FAILED for: %".format(method.asString).postln;
                ~methodsThatFailed.add(method);
            }
        });
    });
)

//Many failed
~methodsThatFailed.size
//The ones that failed have argNames == nil
~methodsThatFailed.every({arg item; item.argNames == nil})
//The opposite is true for the ones that passed
~methodsThatPassed.every({arg item; item.argNames != nil})

    //Method:keyValuePairsFromArgs
    keyValuePairsFromArgs {
        var argNames, argVals;
        if(this.argNames.isNil, { ^[] });
        argNames = this.argNames.drop(1); // first argName is "this"
        argVals = this.prototypeFrame.drop(1).keep(argNames.size);
        ^[argNames, argVals].flop.flatten
    }