class RuboCop::AST::ForwardArgsNode

available to all ‘forward-args` nodes within RuboCop.
of a plain node when the builder constructs the AST, making its methods
A node extension for `forward-args` nodes. This will be used in place

def to_a

enumerable argument types.
Node wraps itself in an array to be compatible with other 
def to_a
  [self]
end