protected BitmapFont newBitmapFont (BitmapFontData data, Array<TextureRegion> pageRegions, boolean integer) {
        return new BitmapFont(data, pageRegions, integer);
    }
Called by generateFont to create a new {@link BitmapFont} instance. This allows injecting a customized {@link BitmapFont},
eg for a RTL font.
@see BitmapFont#BitmapFont(BitmapFontData, Array, boolean)
core/src/com/badlogic/gdx/graphics/g2d/freetype/FreeTypeFontGenerator.java