# File lib/grape/validations/types/multiple_type_coercer.rb, line 20
        def initialize(types, method = nil)
          @method = method.respond_to?(:parse) ? method.method(:parse) : method

          @type_coercers = types.map do |type|
            if Types.multiple? type
              VariantCollectionCoercer.new type
            else
              Types.build_coercer type
            end
          end
        end