# File lib/grape_entity/exposure/nesting_exposure/nested_exposures.rb, line 54
          def deep_complex_nesting?
            if @deep_complex_nesting.nil?
              all_nesting = select(&:nesting?)
              @deep_complex_nesting = all_nesting.group_by(&:key).any? { |_key, exposures| exposures.length > 1 }
            else
              @deep_complex_nesting
            end
          end