WIP: B-physics migration of the HLT_mu20_mu6noL1_bTau trigger for LFV tau to 3mu decay to AthenaMT (ATR-23184)
- 'HLT_mu20_mu6noL1_bTau_L1MU20' and 'HLT_mu20_2mu2noL1_bTau_L1MU20'
- menu alignment group: ['Muon', 'MuonnoL1'] is derived automatically
- TODO: TrigMultiTrkHypoTool