class RuboCop::Cop::Style::RandomWithOffset

def corrected_rand_modified(node)
  random_call(node) do |prefix_node, random_node|
    prefix = prefix_from_prefix_node(prefix_node)
    left_int, right_int = boundaries_from_random_node(random_node)
    if %i[succ next].include?(node.method_name)
      "#{prefix}(#{left_int + 1}..#{right_int + 1})"
    elsif node.method?(:pred)
      "#{prefix}(#{left_int - 1}..#{right_int - 1})"
    end
  end
end