case ModelPackage.CHART_WITHOUT_AXES__SERIES_HINTS: setSeriesHints((SeriesHint) null); return;
    public void eUnset(EStructuralFeature eFeature)    {        switch (eDerivedStructuralFeatureID(eFeature))        {            case ModelPackage.CHART_WITHOUT_AXES__VERSION:                setVersion(VERSION_EDEFAULT);                return;            case ModelPackage.CHART_WITHOUT_AXES__TYPE:                setType(TYPE_EDEFAULT);                return;            case ModelPackage.CHART_WITHOUT_AXES__SUB_TYPE:                setSubType(SUB_TYPE_EDEFAULT);                return;            case ModelPackage.CHART_WITHOUT_AXES__DESCRIPTION:                setDescription((Text) null);                return;            case ModelPackage.CHART_WITHOUT_AXES__BLOCK:                setBlock((Block) null);                return;            case ModelPackage.CHART_WITHOUT_AXES__DIMENSION:                unsetDimension();                return;            case ModelPackage.CHART_WITHOUT_AXES__SCRIPT:                setScript(SCRIPT_EDEFAULT);                return;            case ModelPackage.CHART_WITHOUT_AXES__UNITS:                setUnits(UNITS_EDEFAULT);                return;            case ModelPackage.CHART_WITHOUT_AXES__SERIES_THICKNESS:                unsetSeriesThickness();                return;            case ModelPackage.CHART_WITHOUT_AXES__SERIES_HINTS:                setSeriesHints((SeriesHint) null);                return;            case ModelPackage.CHART_WITHOUT_AXES__GRID_COLUMN_COUNT:                unsetGridColumnCount();                return;            case ModelPackage.CHART_WITHOUT_AXES__EXTENDED_PROPERTIES:                getExtendedProperties().clear();                return;            case ModelPackage.CHART_WITHOUT_AXES__SAMPLE_DATA:                setSampleData((SampleData) null);                return;            case ModelPackage.CHART_WITHOUT_AXES__SERIES_DEFINITIONS:                getSeriesDefinitions().clear();                return;        }        eDynamicUnset(eFeature);    }