human
Solve the following python programming problem given the following code:
def namingConventionDecorator(self, namingConvention) : 
    '
    :type namingConvention:INamingConvention
' 
    def decoratorFunction(cls) : 
        SyntheticClassController (cls).setNamingConvention (namingConvention) 
        return cls 
return <MASK> 
    
    Given the code above, what is a proper replacement for <MASK>? Choose among: self, namingConvention
assistant
#Here is a proper replacement for <MASK>.
def decoratorFunction(