module Cucumber::Core::Gherkin::Writer::Indentation

def self.level(number)
  Module.new do
    define_method(:indent) do |string, amount = nil|
      return string if string.nil? || string.empty?
      amount ||= number
      "#{' ' * amount}#{string}"
    end
    define_method(:indent_level) do
      number
    end
    define_method(:prepare_statements) do |*statements|
      statements.flatten.compact.map { |s| indent(s) }
    end
  end
end