How to use the node-opcua-status-code.StatusCodes.BadRefreshInProgress function in node-opcua-status-code

addressSpace: AddressSpacePrivate,
  inputArguments: VariantLike[],
  context: SessionContext
) {
    // --- possible StatusCodes:
    //
    // Bad_SubscriptionIdInvalid  See Part 4 for the description of this result code
    // Bad_RefreshInProgress      See Table 74 for the description of this result code
    // Bad_UserAccessDenied       The Method was not called in the context of the Session
    //                            that owns the Subscription
    //

    // istanbul ignore next
    if (addressSpace._condition_refresh_in_progress) {
        // a refresh operation is already in progress....
        return StatusCodes.BadRefreshInProgress;
    }

    addressSpace._condition_refresh_in_progress = true;

    const server = context.object.addressSpace.rootFolder.objects.server;
    assert(server instanceof UAObject);

    const refreshStartEventType = addressSpace.findEventType("RefreshStartEventType");
    const refreshEndEventType = addressSpace.findEventType("RefreshEndEventType");

    assert(refreshStartEventType instanceof UAObjectType);
    assert(refreshEndEventType instanceof UAObjectType);

    server.raiseEvent(refreshStartEventType, {});
    // todo : resend retained conditions

function _perform_condition_refresh(addressSpace, inputArguments, context) {
    // --- possible StatusCodes:
    //
    // Bad_SubscriptionIdInvalid  See Part 4 for the description of this result code
    // Bad_RefreshInProgress      See Table 74 for the description of this result code
    // Bad_UserAccessDenied       The Method was not called in the context of the Session
    //                            that owns the Subscription
    //

    // istanbul ignore next
    if (addressSpace._condition_refresh_in_progress) {
        // a refresh operation is already in progress....
        return StatusCodes.BadRefreshInProgress;
    }

    addressSpace._condition_refresh_in_progress = true;

    const server = context.object.addressSpace.rootFolder.objects.server;
    assert(server instanceof UAObject);

    const refreshStartEventType = addressSpace.findEventType("RefreshStartEventType");
    const refreshEndEventType = addressSpace.findEventType("RefreshEndEventType");

    assert(refreshStartEventType instanceof UAObjectType);
    assert(refreshEndEventType instanceof UAObjectType);

    server.raiseEvent(refreshStartEventType, {});
    // todo : resend retained conditions