case ModelPackage.CHART__STYLES : return styles != null && !styles.isEmpty( );
	public boolean eIsSet( EStructuralFeature eFeature )	{		switch ( eDerivedStructuralFeatureID( eFeature ) )		{			case ModelPackage.CHART__VERSION :				return isSetVersion( );			case ModelPackage.CHART__TYPE :				return TYPE_EDEFAULT == null ? type != null						: !TYPE_EDEFAULT.equals( type );			case ModelPackage.CHART__SUB_TYPE :				return SUB_TYPE_EDEFAULT == null ? subType != null						: !SUB_TYPE_EDEFAULT.equals( subType );			case ModelPackage.CHART__DESCRIPTION :				return description != null;			case ModelPackage.CHART__BLOCK :				return block != null;			case ModelPackage.CHART__DIMENSION :				return isSetDimension( );			case ModelPackage.CHART__SCRIPT :				return SCRIPT_EDEFAULT == null ? script != null						: !SCRIPT_EDEFAULT.equals( script );			case ModelPackage.CHART__UNITS :				return UNITS_EDEFAULT == null ? units != null						: !UNITS_EDEFAULT.equals( units );			case ModelPackage.CHART__SERIES_THICKNESS :				return isSetSeriesThickness( );			case ModelPackage.CHART__GRID_COLUMN_COUNT :				return isSetGridColumnCount( );			case ModelPackage.CHART__EXTENDED_PROPERTIES :				return extendedProperties != null						&& !extendedProperties.isEmpty( );			case ModelPackage.CHART__SAMPLE_DATA :				return sampleData != null;		}		return eDynamicIsSet( eFeature );	}