```ruby
require 'active_support/time'

class FalseClass
  def to_builder
    self.inspect
  end
end

class TrueClass
  def to_builder
    self.inspect
  end
end

class String
  def to_builder
    self.inspect
  end
end

class Hash
  def to_builder
    self.to_json
  end
end

class NilClass
  def to_builder
    'null'
  end
end

class Time
  def to_builder
    self.iso8601.inspect
  end
end

class Date
  def to_builder
    self.iso8601.inspect
  end
end

class DateTime
  def to_builder
    self.iso8601.inspect
  end
end

module BSON
  class ObjectId
    def to_builder
      self.to_s.inspect
    end
  end
end
```

Add support for Rails 2.x.x apps.
user
```ruby
require 'active_support/time_with_zone'

class FalseClass
  def to_builder
    self.inspect
  end
end

class TrueClass
  def to_builder
    self.inspect
  end
end

class String
  def to_builder
    self.inspect
  end
end

class Hash
  def to_builder
    self.to_json
  end
end

class NilClass
  def to_builder
    'null'
  end
end

class Time
  def to_builder
    self.iso8601.inspect
  end
end

class Date
  def to_builder
    self.iso8601.inspect
  end
end

class DateTime
  def to_builder
    self.iso8601.inspect
  end
end

module BSON
  class ObjectId
    def to_builder
      self.to_s.inspect
    end
  end
end
```
assistant