module RuboCop::Cop::TrailingComma

def elements(node)
  return node.children unless node.send_type?
  _receiver, _method_name, *args = *node
  args.flat_map do |a|
    # For each argument, if it is a multi-line hash without braces,
    # then promote the hash elements to method arguments
    # for the purpose of determining multi-line-ness.
    if a.hash_type? && a.multiline? && !a.braces?
      a.children
    else
      a
    end
  end
end