code: public void setItemTypeface(@NonNull final Typeface typeface) {
          Condition.INSTANCE.ensureNotNull(typeface, "The typeface may not be null");
          this.itemTypeface = typeface;
          notifyDataSetChanged();
      }
docs: Sets the typeface of the adapter's items.
  
  @param typeface
  The typeface, which should be set, as an instance of the class {@link Typeface}. The
  typeface may not be null