# File lib/grape_entity/exposure/nesting_exposure.rb, line 55
        def serializable_value(entity, options)
          new_options = nesting_options_for(options)
          output = OutputBuilder.new

          normalized_exposures(entity, new_options).each_with_object(output) do |exposure, out|
            exposure.with_attr_path(entity, new_options) do
              result = exposure.serializable_value(entity, new_options)
              out.add(exposure, result)
            end
          end
        end