class RuboCop::Cop::Layout::FirstParameterIndentation

def check(def_node)
  return if ignored_node?(def_node)
  left_parenthesis = def_node.arguments.loc.begin
  first_elem = def_node.arguments.first
  return unless first_elem
  return if same_line?(first_elem, left_parenthesis)
  check_first(first_elem, left_parenthesis, nil, 0)
end