How to use the node-opcua-address-space.bindExtObjArrayNode function in node-opcua-address-space

// A Server may not expose the SamplingIntervalDiagnosticsArray if it does not use fixed sampling rates.
        // because we are not using fixed sampling rate, we need to remove the optional SamplingIntervalDiagnosticsArray
        // component
        const samplingIntervalDiagnosticsArray =
          serverDiagnostics.getComponentByName("SamplingIntervalDiagnosticsArray");
        if (samplingIntervalDiagnosticsArray) {
          addressSpace.deleteNode(samplingIntervalDiagnosticsArray);
          const s = serverDiagnostics.getComponents();
          // xx console.log(s.map((x) => x.browseName.toString()).join(" "));
        }

        const subscriptionDiagnosticsArray =
          serverDiagnostics.getComponentByName("SubscriptionDiagnosticsArray")! as
          UADynamicVariableArray;
        assert(subscriptionDiagnosticsArray.nodeClass === NodeClass.Variable);
        bindExtObjArrayNode(subscriptionDiagnosticsArray,
          "SubscriptionDiagnosticsType", "subscriptionId");

        const sessionsDiagnosticsSummary = serverDiagnostics.getComponentByName("SessionsDiagnosticsSummary")!;

        const sessionDiagnosticsArray =
          sessionsDiagnosticsSummary.getComponentByName("SessionDiagnosticsArray")! as
          UADynamicVariableArray;
        assert(sessionDiagnosticsArray.nodeClass === NodeClass.Variable);

        bindExtObjArrayNode(sessionDiagnosticsArray, "SessionDiagnosticsVariableType", "sessionId");

        const varType = addressSpace.findVariableType("SessionSecurityDiagnosticsType");
        if (!varType) {
          console.log("Warning cannot find SessionSecurityDiagnosticsType variable Type");
        } else {
          const sessionSecurityDiagnosticsArray =

return;
            }

            // create SessionsDiagnosticsSummary
            const serverDiagnostics = server.getComponentByName("ServerDiagnostics");
            if (!serverDiagnostics) {
                return;
            }

            const subscriptionDiagnosticsArray = serverDiagnostics.getComponentByName("SubscriptionDiagnosticsArray");
            assert(subscriptionDiagnosticsArray instanceof UAVariable);
            eoan.bindExtObjArrayNode(subscriptionDiagnosticsArray, "SubscriptionDiagnosticsType", "subscriptionId");

            const sessionDiagnosticsArray = serverDiagnostics.getComponentByName("SessionsDiagnosticsSummary").getComponentByName("SessionDiagnosticsArray");
            assert(sessionDiagnosticsArray instanceof UAVariable);
            eoan.bindExtObjArrayNode(sessionDiagnosticsArray, "SessionDiagnosticsVariableType", "sessionId");
        }

}
            const server = addressSpace.rootFolder.objects.server;

            if (!server) {
                return;
            }

            // create SessionsDiagnosticsSummary
            const serverDiagnostics = server.getComponentByName("ServerDiagnostics");
            if (!serverDiagnostics) {
                return;
            }

            const subscriptionDiagnosticsArray = serverDiagnostics.getComponentByName("SubscriptionDiagnosticsArray");
            assert(subscriptionDiagnosticsArray instanceof UAVariable);
            eoan.bindExtObjArrayNode(subscriptionDiagnosticsArray, "SubscriptionDiagnosticsType", "subscriptionId");

            const sessionDiagnosticsArray = serverDiagnostics.getComponentByName("SessionsDiagnosticsSummary").getComponentByName("SessionDiagnosticsArray");
            assert(sessionDiagnosticsArray instanceof UAVariable);
            eoan.bindExtObjArrayNode(sessionDiagnosticsArray, "SessionDiagnosticsVariableType", "sessionId");
        }

const subscriptionDiagnosticsArray =
          serverDiagnostics.getComponentByName("SubscriptionDiagnosticsArray")! as
          UADynamicVariableArray;
        assert(subscriptionDiagnosticsArray.nodeClass === NodeClass.Variable);
        bindExtObjArrayNode(subscriptionDiagnosticsArray,
          "SubscriptionDiagnosticsType", "subscriptionId");

        const sessionsDiagnosticsSummary = serverDiagnostics.getComponentByName("SessionsDiagnosticsSummary")!;

        const sessionDiagnosticsArray =
          sessionsDiagnosticsSummary.getComponentByName("SessionDiagnosticsArray")! as
          UADynamicVariableArray;
        assert(sessionDiagnosticsArray.nodeClass === NodeClass.Variable);

        bindExtObjArrayNode(sessionDiagnosticsArray, "SessionDiagnosticsVariableType", "sessionId");

        const varType = addressSpace.findVariableType("SessionSecurityDiagnosticsType");
        if (!varType) {
          console.log("Warning cannot find SessionSecurityDiagnosticsType variable Type");
        } else {
          const sessionSecurityDiagnosticsArray =
            sessionsDiagnosticsSummary.getComponentByName("SessionSecurityDiagnosticsArray")! as
            UADynamicVariableArray;
          assert(sessionSecurityDiagnosticsArray.nodeClass === NodeClass.Variable);
          bindExtObjArrayNode(sessionSecurityDiagnosticsArray, "SessionSecurityDiagnosticsType", "sessionId");
          ensureObjectIsSecure(sessionSecurityDiagnosticsArray);
        }
      }

const sessionDiagnosticsArray =
          sessionsDiagnosticsSummary.getComponentByName("SessionDiagnosticsArray")! as
          UADynamicVariableArray;
        assert(sessionDiagnosticsArray.nodeClass === NodeClass.Variable);

        bindExtObjArrayNode(sessionDiagnosticsArray, "SessionDiagnosticsVariableType", "sessionId");

        const varType = addressSpace.findVariableType("SessionSecurityDiagnosticsType");
        if (!varType) {
          console.log("Warning cannot find SessionSecurityDiagnosticsType variable Type");
        } else {
          const sessionSecurityDiagnosticsArray =
            sessionsDiagnosticsSummary.getComponentByName("SessionSecurityDiagnosticsArray")! as
            UADynamicVariableArray;
          assert(sessionSecurityDiagnosticsArray.nodeClass === NodeClass.Variable);
          bindExtObjArrayNode(sessionSecurityDiagnosticsArray, "SessionSecurityDiagnosticsType", "sessionId");
          ensureObjectIsSecure(sessionSecurityDiagnosticsArray);
        }
      }