text: export class IterableValueConverter {
    toView(value = {}) {
      let index = 0;
      let propKeys = Reflect.ownKeys(value);
      return {
          [Symbol.iterator]() {
              return this;
          },
          next() {
              if (index < propKeys.length) {
                  let key = propKeys[index];
                  index++;
                  return { value: [key, value[key]] };
              } else {
                  return { done: true };
              }
          }
      };
    }
  }
  