type PoolDecommissionInfo struct {
	StartTime   time.Time `json:"startTime" msg:"st"`
	StartSize   int64     `json:"startSize" msg:"ss"`
	TotalSize   int64     `json:"totalSize" msg:"ts"`
	CurrentSize int64     `json:"currentSize" msg:"cs"`

	Complete bool `json:"complete" msg:"cmp"`
	Failed   bool `json:"failed" msg:"fl"`
	Canceled bool `json:"canceled" msg:"cnl"`

	// Internal information.

                return existing;
            }
        }

        // Check pool size limits using atomic operation
        if (!nonPooled) {
            int currentSize = this.connections.size();
            if (currentSize >= maxPoolSize) {
                // Try to remove idle connections
                removeIdleConnections();

                // If still at limit, throw exception