• Board : Board, Chip
• Chamber : Chamber, Board
• Detector : Detector, Chamber
• operator<< : SlowControlEntry, PMParams_t, MeshParams_t, DriftParams_t, Dif, Detector, Chip, Channel, Chamber, Board, Run, Event
• operator>> : PMParams_t, MeshParams_t, DriftParams_t
• SlowControl : PMSlowControl, ChamberSlowControl, BoardSlowControl

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