public static String toHuman(TypeList list) {
    int size = list.size();

    if (size == 0) {
      return "<empty>";
    }

    StringBuilder sb = new StringBuilder(100);

    for (int i = 0; i < size; i++) {
      if (i != 0) {
        sb.append(", ");
      }
      sb.append(list.getType(i).toHuman());
    }

    return sb.toString();
  }
Returns the given list as a comma-separated list of human forms. This is a static method so as
to work on arbitrary {@link TypeList} instances.

@param list {@code non-null;} the list to convert
@return {@code non-null;} the human form
android/android_framework/dex-maker/src/main/java/com/android/dx/rop/type/StdTypeList.java