class RuboCop::Cop::Style::GuardClause

def autocorrect_heredoc_argument(corrector, node, heredoc_branch, leave_branch, guard)
  return unless node.else?
  remove_whole_lines(corrector, leave_branch.source_range)
  remove_whole_lines(corrector, node.loc.else)
  remove_whole_lines(corrector, node.loc.end)
  remove_whole_lines(corrector, range_of_branch_to_remove(node, guard))
  corrector.insert_after(
    heredoc_branch.last_argument.loc.heredoc_end, "\n#{leave_branch.source}"
  )
end