class RuboCop::Cop::Metrics::ParameterLists

def args_count(node)
  if count_keyword_args?
    node.children.count { |a| !a.blockarg_type? }
  else
    node.children.count { |a| !NAMED_KEYWORD_TYPES.include?(a.type) && !a.blockarg_type? }
  end
end