static fun <T : Any> getIfEligible(clazz: Class<T>): FromStringBasedConverter<T>
Checks whether the given class can be used by the FromStringBasedConverter (i.e. has a static 'fromString' method taking a single String as argument). If so, creates a new instance of converter for this type.
Return
a FromStringBasedConverter if the given class is eligible, null otherwise.