createEReference(seriesDefinitionEClass, SERIES_DEFINITION__FORMAT_SPECIFIER);
    public void createPackageContents()    {        if (isCreated) return;        isCreated = true;        // Create classes and their features        actionEClass = createEClass(ACTION);        createEAttribute(actionEClass, ACTION__TYPE);        createEReference(actionEClass, ACTION__VALUE);        baseSampleDataEClass = createEClass(BASE_SAMPLE_DATA);        createEAttribute(baseSampleDataEClass, BASE_SAMPLE_DATA__DATA_SET_REPRESENTATION);        dataElementEClass = createEClass(DATA_ELEMENT);        dataSetEClass = createEClass(DATA_SET);        createEAttribute(dataSetEClass, DATA_SET__VALUES);        dateTimeDataElementEClass = createEClass(DATE_TIME_DATA_ELEMENT);        createEAttribute(dateTimeDataElementEClass, DATE_TIME_DATA_ELEMENT__VALUE);        dateTimeDataSetEClass = createEClass(DATE_TIME_DATA_SET);        numberDataElementEClass = createEClass(NUMBER_DATA_ELEMENT);        createEAttribute(numberDataElementEClass, NUMBER_DATA_ELEMENT__VALUE);        numberDataSetEClass = createEClass(NUMBER_DATA_SET);        orthogonalSampleDataEClass = createEClass(ORTHOGONAL_SAMPLE_DATA);        createEAttribute(orthogonalSampleDataEClass, ORTHOGONAL_SAMPLE_DATA__DATA_SET_REPRESENTATION);        createEAttribute(orthogonalSampleDataEClass, ORTHOGONAL_SAMPLE_DATA__SERIES_DEFINITION_INDEX);        queryEClass = createEClass(QUERY);        createEAttribute(queryEClass, QUERY__DEFINITION);        createEReference(queryEClass, QUERY__RULES);        ruleEClass = createEClass(RULE);        createEAttribute(ruleEClass, RULE__TYPE);        createEAttribute(ruleEClass, RULE__VALUE);        sampleDataEClass = createEClass(SAMPLE_DATA);        createEReference(sampleDataEClass, SAMPLE_DATA__BASE_SAMPLE_DATA);        createEReference(sampleDataEClass, SAMPLE_DATA__ORTHOGONAL_SAMPLE_DATA);        seriesDefinitionEClass = createEClass(SERIES_DEFINITION);        createEReference(seriesDefinitionEClass, SERIES_DEFINITION__QUERY);        createEReference(seriesDefinitionEClass, SERIES_DEFINITION__SERIES_PALETTE);        createEReference(seriesDefinitionEClass, SERIES_DEFINITION__SERIES_DEFINITIONS);        createEReference(seriesDefinitionEClass, SERIES_DEFINITION__SERIES);        createEReference(seriesDefinitionEClass, SERIES_DEFINITION__GROUPING);        createEAttribute(seriesDefinitionEClass, SERIES_DEFINITION__SORTING);        seriesGroupingEClass = createEClass(SERIES_GROUPING);        createEAttribute(seriesGroupingEClass, SERIES_GROUPING__ENABLED);        createEAttribute(seriesGroupingEClass, SERIES_GROUPING__GROUPING_UNIT);        createEAttribute(seriesGroupingEClass, SERIES_GROUPING__GROUPING_INTERVAL);        createEAttribute(seriesGroupingEClass, SERIES_GROUPING__GROUP_TYPE);        createEAttribute(seriesGroupingEClass, SERIES_GROUPING__AGGREGATE_EXPRESSION);        stockDataSetEClass = createEClass(STOCK_DATA_SET);        textDataSetEClass = createEClass(TEXT_DATA_SET);        triggerEClass = createEClass(TRIGGER);        createEAttribute(triggerEClass, TRIGGER__CONDITION);        createEReference(triggerEClass, TRIGGER__ACTION);    }