module RuboCop::Cop::MultilineElementLineBreaks

def all_on_same_line?(nodes, ignore_last: false)

def all_on_same_line?(nodes, ignore_last: false)
  return true if nodes.empty?
  return same_line?(nodes.first, nodes.last) if ignore_last
  nodes.first.first_line == nodes.last.last_line
end

def check_line_breaks(_node, children, ignore_last: false)

def check_line_breaks(_node, children, ignore_last: false)
  return if all_on_same_line?(children, ignore_last: ignore_last)
  last_seen_line = -1
  children.each do |child|
    if last_seen_line >= child.first_line
      add_offense(child) { |corrector| EmptyLineCorrector.insert_before(corrector, child) }
    else
      last_seen_line = child.last_line
    end
  end
end