static Moshi create(Iterable<JsonAdapter<?>> adapters) {
    Moshi.Builder builder = new Moshi.Builder();

    for (JsonAdapter<?> adapter : adapters) {
      builder.add(adapter.getClass(), adapter);
    }

    return builder.build();
  }
Registers JsonAdapter by implicit type. Adds one to read numbers in a {@code Map<String,
Object>} as Integers.
moshi/src/main/java/feign/moshi/MoshiFactory.java