var earliestEvictableConnection: RealConnection? = null
    var inUseConnectionCount = 0
    var evictableConnectionCount = 0
    for (connection in connections) {
      connection.withLock {
        // If the connection is in use, keep searching.
        if (pruneAndGetAllocationCount(connection, now) > 0) {
          inUseConnectionCount++
          return@withLock
        }