16 #ifndef QGSCOLORWIDGETWRAPPER_H    17 #define QGSCOLORWIDGETWRAPPER_H    51     QVariant 
value() 
const override;
    57     bool valid() 
const override;
    60     void setValue( 
const QVariant &value ) 
override;
    68 #endif // QGSCOLORWIDGETWRAPPER_H 
Represents a vector layer which manages a vector based data sets.