class RuboCop::Cop::Style::IfInsideElse

def autocorrect(corrector, node)
  if then?(node)
    # If the nested `if` is a then node, correct it first,
    # then the next pass will use `correct_to_elsif_from_if_inside_else_form`
    IfThenCorrector.new(node, indentation: 0).call(corrector)
    return
  end
  if node.modifier_form?
    correct_to_elsif_from_modifier_form(corrector, node)
  else
    correct_to_elsif_from_if_inside_else_form(corrector, node, node.condition)
  end
  corrector.remove(range_by_whole_lines(find_end_range(node), include_final_newline: true))
  return unless (if_branch = node.if_branch)
  range = range_by_whole_lines(if_branch.source_range, include_final_newline: true)
  corrector.remove(range)
end