upperOpen property
      
      bool
      get
      upperOpen
      
    
    
Returns true if the upper open flag is set, and false otherwise.
Implementation
_i2.bool get upperOpen => _i4.getProperty(
      this,
      'upperOpen',
    );
Returns true if the upper open flag is set, and false otherwise.
_i2.bool get upperOpen => _i4.getProperty(
      this,
      'upperOpen',
    );