+ /**
+ * Set flow flags, @f$\eta@f$-gap, sym. around @f$\eta=0@f$ or
+ * sat. vtx. interactions
+ *
+ * @param flags EFlowFlags
+ */
+ void SetFlowFlags(UShort_t flags) { fFlowFlags = flags; }
+ /**
+ * Enum for flow flags
+ */
+ enum EFlowFlags {
+ kEtaGap = 0x1,
+ kSymEta = 0x2,
+ kSatVtx = 0x4
+ };
+ /**
+ * Set @f$|\eta|@f$ value to make cut for @f$\eta@f$ gap at
+ *
+ * @param eg gap value
+ */
+ void SetEtaGapValue(Double_t eg) { fEtaGap = eg; }
+protected:
+ /**
+ * Enum for reference flow (eta-gap) mode
+ */
+ enum EFillFlow {
+ kFillRef = 0x1,
+ kFillDiff = 0x2,
+ kFillBoth = 0x3
+ };
+ // ----------------- Being nested class ---------------------