with Arg3
  Creates a new Args3 by coping this Args3 but replaces the argument 3 (Args3.a3) with the given value (and its representation with the given representation).
Return
The newly created Args3.
Since
1.0.0
Parameters
value
the new value to use for argument 3.
representation
the new representation to use for the argument 3 where null     means let the algorithm determine a representation.