@interface TSCHChartSeriesTypeStackedArea : TSCHChartSeriesTypeArea - (id)init; - (double)beginDataValueForSeries:(id)a0 groupIndex:(unsigned long long)a1 valueAxisID:(id)a2; - (double)beginDataValueForSeries:(id)a0 valueIndex:(unsigned long long)a1 valueAxisID:(id)a2; - (id)elementBuilder; - (unsigned int)filterChartLabelPosition:(unsigned int)a0; - (id)g_genericToSpecificPropertyMapStackedArea; - (id)genericToSpecificPropertyMap; - (BOOL)supportsSymbolDrawing; - (id)userInterfaceName; @end