/subsystem=jca/workmanager=default/long-running-threads=default:read-resource-description
{
    "outcome" => "success",
    "result" => {
        "description" => "A thread pool executor with a bounded queue where threads submittings tasks will not block. Such a thread pool has a core and maximum size and a specified queue length.  When a task is submitted, if the number of running threads is less than the core size, a new thread is created.  Otherwise, if there is room in the queue, the task is enqueued. Otherwise, if the number of running threads is less than the maximum size, a new thread is created. Otherwise, the task is handed off to the designated handoff executor, if one is specified.  Otherwise, the task is discarded.",
......
            "handoff-executor" => {
                "type" => STRING,
                "description" => "An executor to delegate tasks to in the event that a task cannot be accepted. If not specified, tasks that cannot be accepted will be silently discarded.",
                "expressions-allowed" => false,
                "nillable" => true,
                "min-length" => 1L,
                "max-length" => 2147483647L,
                "access-type" => "read-write",
                "storage" => "configuration",
                "restart-required" => "all-services"
            },
....