module SyntaxTree::DSL

def Params(requireds, optionals, rest, posts, keywords, keyword_rest, block)

Create a new Params node. 
def Params(requireds, optionals, rest, posts, keywords, keyword_rest, block)
  Params.new(
    requireds: requireds,
    optionals: optionals,
    rest: rest,
    posts: posts,
    keywords: keywords,
    keyword_rest: keyword_rest,
    block: block,
    location: Location.default
  )
end