System Failures in Transactions subsystem runtime view doesn't show number-of-system-rollbacks

{
    "outcome" => "success",
    "result" => 0L
}

{
    "outcome" => "success",
    "result" => {
        "average-commit-time" => 12652L,
        "default-timeout" => 300,
        "enable-statistics" => false,
        "enable-tsm-status" => false,
        "hornetq-store-enable-async-io" => false,
        "jdbc-action-store-drop-table" => false,
        "jdbc-action-store-table-prefix" => undefined,
        "jdbc-communication-store-drop-table" => false,
        "jdbc-communication-store-table-prefix" => undefined,
        "jdbc-state-store-drop-table" => false,
        "jdbc-state-store-table-prefix" => undefined,
        "jdbc-store-datasource" => undefined,
        "journal-store-enable-async-io" => false,
        "jts" => false,
        "node-identifier" => "1",
        "number-of-aborted-transactions" => 1L,
        "number-of-application-rollbacks" => 1L,
        "number-of-committed-transactions" => 3L,
        "number-of-heuristics" => 0L,
        "number-of-inflight-transactions" => 0L,
        "number-of-nested-transactions" => 0L,
        "number-of-resource-rollbacks" => 0L,
        "number-of-system-rollbacks" => 0L,
        "number-of-timed-out-transactions" => 0L,
        "number-of-transactions" => 4L,
        "object-store-path" => "tx-object-store",
        "object-store-relative-to" => "jboss.server.data.dir",
        "process-id-socket-binding" => undefined,
        "process-id-socket-max-ports" => 10,
        "process-id-uuid" => true,
        "recovery-listener" => false,
        "socket-binding" => "txn-recovery-environment",
        "statistics-enabled" => false,
        "status-socket-binding" => "txn-status-manager",
        "use-hornetq-store" => false,
        "use-jdbc-store" => false,
        "use-journal-store" => false,
        "commit-markable-resource" => undefined,
        "log-store" => {"log-store" => undefined}
    }
}