class RuboCop::Cop::Layout::MultilineBlockLayout

def autocorrect(corrector, node)
  unless args_on_beginning_line?(node)
    autocorrect_arguments(corrector, node)
    expr_before_body = node.arguments.source_range.end
  end
  return unless node.body
  expr_before_body ||= node.loc.begin
  return unless same_line?(expr_before_body, node.body)
  autocorrect_body(corrector, node, node.body)
end