add the LumiSummary offsets that are used in Allen!943 as V0

Event/LumiEvent/include/Event/LumiSummaryOffsets_V0.h

+/*****************************************************************************\
+* (c) Copyright 2022 CERN for the benefit of the LHCb Collaboration           *
+*                                                                             *
+* This software is distributed under the terms of the Apache License          *
+* version 2 (Apache-2.0), copied verbatim in the file "COPYING".              *
+*                                                                             *
+* In applying this licence, CERN does not waive the privileges and immunities *
+* granted to it by virtue of its status as an Intergovernmental Organization  *
+* or submit itself to any jurisdiction.                                       *
+\*****************************************************************************/
+#pragma once
+
+#include <iostream>
+
+namespace LHCb {
+  namespace LumiSummaryOffsets {
+    namespace V0 {
+      enum counterOffsets : unsigned {
+        // All values are in bits - the required size of the array may be determined
+        // by dividing the largest offset by 8*sizeof(unsigned), i.e. 32, and rounding up.
+        // Fields must be contained within a single element of the array, e.g. an
+        // offset of 24 would allow for a maximum size of 8.
+        /// ODIN info
+        ODINStart      = 0,
+        t0LowSize      = 32,
+        t0LowOffset    = ODINStart + 0, // event time offset low 32 bits
+        t0HighSize     = 32,
+        t0HighOffset   = ODINStart + t0LowSize, // event time offset high 32 bits
+        bcidLowSize    = 32,
+        bcidLowOffset  = ODINStart + t0LowSize + t0HighSize, // re-mapped bcid low 32 bits
+        bcidHighSize   = 14,
+        bcidHighOffset = ODINStart + t0LowSize + t0HighSize + bcidLowSize, // re-mapped bcid high 14 bits
+        bxTypeSize     = 2,
+        bxTypeOffset   = ODINStart + t0LowSize + t0HighSize + bcidLowSize + bcidHighSize, // bunch crossing type
+        ODINEnd        = ODINStart + t0LowSize + t0HighSize + bcidLowSize + bcidHighSize + bxTypeSize,
+        /// Global Event Cut
+        GecStart  = ODINEnd,
+        GecSize   = 1,
+        GecOffset = GecStart,
+        GecEnd    = GecStart + GecSize,
+        /// Velo counters
+        VeloCountersStart  = GecEnd,
+        VeloTracksSize     = 15,
+        VeloTracksOffset   = VeloCountersStart + 0, // number of Velo tracks
+        VeloVerticesSize   = 6,
+        VeloVerticesOffset = VeloCountersStart + VeloTracksSize, // number of Velo vertices
+        VeloCountersEnd    = VeloCountersStart + VeloTracksSize + VeloVerticesSize,
+        /// RICH counters
+        RichCountersStart = VeloCountersEnd,
+        RichCountersEnd   = RichCountersStart + 0,
+        /// SciFi counters
+        SciFiCountersStart  = RichCountersEnd,
+        SciFiClustersSize   = 15,
+        SciFiClustersOffset = SciFiCountersStart + 0, // number of SciFi Clusters
+        SciFiCountersEnd    = SciFiCountersStart + SciFiClustersSize,
+        /// CALO counters
+        CaloCountersStart = SciFiCountersEnd,
+        CaloCountersEnd   = CaloCountersStart + 0,
+        /// Muon counters
+        MuonCountersStart = CaloCountersEnd,
+        M2R2Size          = 11,
+        M2R2Offset        = MuonCountersStart, // M2R2 hits
+        M2R3Size          = 11,
+        M2R3Offset        = MuonCountersStart + M2R2Size, // M2R3 hits
+        M3R2Size          = 11,
+        M3R2Offset        = MuonCountersStart + M2R2Size + M2R3Size, // M3R2 hits
+        M3R3Size          = 10,
+        M3R3Offset        = MuonCountersStart + M2R2Size + M2R3Size + M3R2Size, // M3R3 hits
+        MuonCountersEnd   = MuonCountersStart + M2R2Size + M2R3Size + M3R2Size + M3R3Size,
+        /// the largest offset rounded up to the next multiple of 32
+        TotalSize = ( ( MuonCountersEnd - 1 ) / 32 + 1 ) * 32
+      }; // enum CounterOffsets
+    }    // namespace V0
+  }      // namespace LumiSummaryOffsets
+} // namespace LHCb