How to use the vscode-azureextensionui.AzureTreeDataProvider function in vscode-azureextensionui

await callWithTelemetryAndErrorHandling("azureLogicApps.activate", async function activateCallback(this: IActionContext): Promise {
        this.properties.isActivationEvent = "true";

        const logicAppsProvider = new LogicAppsProvider();
        const tree = new AzureTreeDataProvider(logicAppsProvider, "azureLogicApps.loadMore");
        context.subscriptions.push(tree);
        context.subscriptions.push(vscode.window.registerTreeDataProvider("azureLogicAppsExplorer", tree));

        const logicAppEditor = new LogicAppEditor();
        context.subscriptions.push(logicAppEditor);

        registerCommand("azureLogicApps.addBuildDefinitionToProject", async (uri?: vscode.Uri) => {
            if (uri) {
                const workspaceFolder = vscode.workspace.getWorkspaceFolder(uri);
                if (workspaceFolder) {
                    await addBuildDefinitionToProject(workspaceFolder.uri.fsPath);
                } else {
                    await addBuildDefinitionToProject(uri.fsPath);
                }
            } else {
                await addBuildDefinitionToProject();

await callWithTelemetryAndErrorHandling("azIntegrationAccounts.activate", async function activateCallback(this: IActionContext): Promise {
        this.properties.isActivationEvent = "true";

        const integrationAccountProvider = new IntegrationAccountProvider();
        const integrationAccountTree = new AzureTreeDataProvider(integrationAccountProvider, "azIntegrationAccounts.loadMore");
        context.subscriptions.push(integrationAccountTree);
        context.subscriptions.push(vscode.window.registerTreeDataProvider("azureIntegrationAccountsExplorer", integrationAccountTree));

        const integrationAccountAgreementEditor = new IntegrationAccountAgreementEditor();
        context.subscriptions.push(integrationAccountAgreementEditor);

        const integrationAccountMapEditor = new IntegrationAccountMapEditor();
        context.subscriptions.push(integrationAccountMapEditor);

        const integrationAccountPartnerEditor = new IntegrationAccountPartnerEditor();
        context.subscriptions.push(integrationAccountMapEditor);

        const integrationAccountSchemaEditor = new IntegrationAccountSchemaEditor();
        context.subscriptions.push(integrationAccountMapEditor);

        registerCommand("azIntegrationAccounts.createIntegrationAccount", async (node?: IAzureParentNode) => {