class RuboCop::Cop::Rails::Present

def on_and(node)
  return unless cop_config['NotNilAndNotEmpty']
  exists_and_not_empty?(node) do |var1, var2|
    return unless var1 == var2
    message = format(MSG_EXISTS_AND_NOT_EMPTY, prefer: replacement(var1), current: node.source)
    add_offense(node, message: message) do |corrector|
      autocorrect(corrector, node)
    end
  end
end