code: @CheckResult
      @NonNull
      public final PowerAdapter prepend(@NonNull ViewFactory... views) {
          checkNotNull(views, "views");
          if (views.length == 0) {
              return this;
          }
          return prepend(asAdapter(views));
      }
docs: Concatenates the specified views with this adapter, and returns the result.
  @param views The views to be prepended.
  @return The resulting composite adapter.
  @see #prepend(PowerAdapter...)
  @see #concat(PowerAdapter...)