SourceException.fromMap constructor
      
      SourceException.fromMap(
    
- Map map
Creates a source exception from a map
Implementation
factory SourceException.fromMap(Map<dynamic, dynamic> map) {
  return SourceException(
    map['code'] as String? ?? 'unknown',
    map['message'] as String? ?? 'Unknown error',
    map['source'] as String? ?? 'unknown',
    map['details'],
  );
}