fromMap method
Implementation
Future<OperationOutputReader?> fromMap(
Map<String, dynamic>? map, FireAdapterMap adapters) async {
if (map == null) return null;
Map<String, dynamic> outputs = {};
for (final field in fireValues) {
final exists = map.containsKey(field.name);
if (!exists) continue;
final raw = map[field.name];
final value = await field.fromMapEntry(raw, adapters);
outputs[field.name] = value;
}
return OperationOutputReader(fields: outputs);
}