(gdb) mongodb-service-context
$1 = {
  <mongo::Decorable<mongo::ServiceContext>> = Decorable<mongo::ServiceContext> with 166 elems  = {
    [0:0xaaaaf1f23008:mongo::PeriodicThreadToAbortExpiredTransactions] = {
      _mutex = {
        <std::__mutex_base> = {
          _M_mutex = {
            __data = {
              __lock = 0,
              __count = 0,
              __owner = 0,
              __nusers = 0,
              __kind = 0,
              __spins = 0,
              __list = {
                __prev = 0x0,
                __next = 0x0
              }
            },
            __size = '\000' <repeats 47 times>,
            __align = 0
          }
        }, <No data fields>},
      _anchor = std::shared_ptr<mongo::PeriodicJobAnchor> (use count 2, weak count 0) = {
        get() = 0xaaaaf7274090
      }
    },
    [1:0xaaaaf1f23048:mongo::ClusterServerParameterInitializer] = {
      <mongo::ReplicaSetAwareService<mongo::ClusterServerParameterInitializer>> = {
        <mongo::ReplicaSetAwareInterface> = {
          _vptr.ReplicaSetAwareInterface = 0xaaaaede354b0 <vtable for mongo::ClusterServerParameterInitializer+16>
        }, <No data fields>}, <No data fields>},
    [2:0xaaaaf1f23050:mongo::DiskSpaceMonitor] = {
      _job = {
        _handle = std::shared_ptr<mongo::PeriodicRunner::ControllableJob> (empty) = {
          get() = 0x0
        }
      },
      _mutex = {
        <std::__mutex_base> = {
          _M_mutex = {
            __data = {
              __lock = 0,
              __count = 0,
              __owner = 0,
              __nusers = 0,
              __kind = 0,
              __spins = 0,
              __list = {
                __prev = 0x0,
                __next = 0x0
              }
            },
            __size = '\000' <repeats 47 times>,
            __align = 0
          }
        }, <No data fields>},
      _actions = std::vector of length 1, capacity 1 = {std::unique_ptr<mongo::DiskSpaceMonitor::Action> = {
          get() = 0xaaaaf1fe9980
        }}
    }Traceback (most recent call last):
  File "buildscripts/gdb/mongo_printers.py", line 356, in children
    type_t = gdb.lookup_type(type_name)
gdb.error: No type named std::unique_ptr<mongo::(anonymous namespace)::ChangeStreamExpiredPreImagesRemover>.

    ...
  },