class RuboCop::Cop::Performance::CaseWhenSplat

def reordering_correction(when_node)
  new_condition = replacement(when_node.conditions)
  if same_line?(when_node, when_node.body)
    new_condition_with_then(when_node, new_condition)
  else
    new_branch_without_then(when_node, new_condition)
  end
end