toOptionsJSON method

Implementation

@override
void toOptionsJSON(StringBuffer buffer) {
  super.toOptionsJSON(buffer);

  if (enabled != null) {
    buffer.writeAll(['"enabled":', enabled, ','], '');
  }
  if (keyboardNavigation != null) {
    buffer.writeAll(
        ['"keyboardNavigation":', keyboardNavigation?.toJSON(), ','], '');
  }
}