alpha property
      
      AlphaOption?
      get
      alpha
      
    
    
    
Implementation
_i3.AlphaOption? get alpha => switch (_i4.getProperty(
      this,
      'alpha',
    )) {
      _i2.String name => _i3.AlphaOptionOptions.values.byName(name),
      _ => null
    };
      
      set
      alpha
      (AlphaOption? value) 
      
    
    
    
Implementation
set alpha(_i3.AlphaOption? value) {
  _i4.setProperty(
    this,
    'alpha',
    value?.name ?? _i6.undefined ?? _i6.undefined,
  );
}