decode static method Null safety

Implementation

static PointAnnotation decode(Object message) {
  final Map<Object?, Object?> pigeonMap = message as Map<Object?, Object?>;
  return PointAnnotation(
    id: pigeonMap['id']! as String,
    geometry: (pigeonMap['geometry'] as Map<Object?, Object?>?)
        ?.cast<String?, Object?>(),
    image: pigeonMap['image'] as Uint8List?,
    iconAnchor: pigeonMap['iconAnchor'] != null
        ? IconAnchor.values[pigeonMap['iconAnchor']! as int]
        : null,
    iconImage: pigeonMap['iconImage'] as String?,
    iconOffset: (pigeonMap['iconOffset'] as List<Object?>?)?.cast<double?>(),
    iconRotate: pigeonMap['iconRotate'] as double?,
    iconSize: pigeonMap['iconSize'] as double?,
    symbolSortKey: pigeonMap['symbolSortKey'] as double?,
    textAnchor: pigeonMap['textAnchor'] != null
        ? TextAnchor.values[pigeonMap['textAnchor']! as int]
        : null,
    textField: pigeonMap['textField'] as String?,
    textJustify: pigeonMap['textJustify'] != null
        ? TextJustify.values[pigeonMap['textJustify']! as int]
        : null,
    textLetterSpacing: pigeonMap['textLetterSpacing'] as double?,
    textMaxWidth: pigeonMap['textMaxWidth'] as double?,
    textOffset: (pigeonMap['textOffset'] as List<Object?>?)?.cast<double?>(),
    textRadialOffset: pigeonMap['textRadialOffset'] as double?,
    textRotate: pigeonMap['textRotate'] as double?,
    textSize: pigeonMap['textSize'] as double?,
    textTransform: pigeonMap['textTransform'] != null
        ? TextTransform.values[pigeonMap['textTransform']! as int]
        : null,
    iconColor: pigeonMap['iconColor'] as int?,
    iconHaloBlur: pigeonMap['iconHaloBlur'] as double?,
    iconHaloColor: pigeonMap['iconHaloColor'] as int?,
    iconHaloWidth: pigeonMap['iconHaloWidth'] as double?,
    iconOpacity: pigeonMap['iconOpacity'] as double?,
    textColor: pigeonMap['textColor'] as int?,
    textHaloBlur: pigeonMap['textHaloBlur'] as double?,
    textHaloColor: pigeonMap['textHaloColor'] as int?,
    textHaloWidth: pigeonMap['textHaloWidth'] as double?,
    textOpacity: pigeonMap['textOpacity'] as double?,
  );
}