@Override
    public String toString() {
        return "S3Manager{" +
                "accessKey='" + accessKey + '\'' +
                ", secretKey='" + "****" + '\'' +
                ", secuereConnection=" + secuereConnection +
                ", objectPerRow=" + objectPerRow +
                ", rowKeyColumnName='" + rowKeyColumnName + '\'' +
                ", rowContentColumnName='" + rowContentColumnName + '\'' +
                ", keyFileName='" + keyFileName + '\'' +
                '}';
    }
Load ReplicaDB custom options for Amazon S3
src/main/java/org/replicadb/manager/S3Manager.java