relativeMove method Null safety

XmlDocumentFragment relativeMove(
  1. String profileToken,
  2. PtzPosition move
)

Implementation

static XmlDocumentFragment relativeMove(
    String profileToken, PtzPosition move) {
  builder.element('RelativeMove', nest: () {
    builder.namespace(Xmlns.tptz); //tptz
    builder.element('ProfileToken', nest: () => builder.text(profileToken));
    builder.element('Translation', nest: () {
      if (move.panTilt != null) {
        builder.element('PanTilt', nest: () {
          builder.namespace(Xmlns.tt);
          builder.attribute('x', move.panTilt!.x);
          builder.attribute('y', move.panTilt!.y);
        });
      }

      if (move.zoom != null) {
        builder.element('Zoom', nest: () {
          builder.namespace(Xmlns.tt);
          builder.attribute('x', move.zoom!.x);
        });
      }
    });
  });

  return builder.buildFragment();
}