Deprecated List (Flow Server 5.0.2 API)

Deprecated Interfaces
Interface and Description
com.vaadin.flow.server.BootstrapListener Since 3.0, this API is deprecated in favor of `IndexHtmlRequestListener` when using client-side bootstrapping
com.vaadin.flow.component.template.internal.DeprecatedPolymerTemplate Polymer template support is deprecated - we recommend you to use `LitTemplate` instead. Read more details from the Vaadin blog.
com.vaadin.flow.component.page.Page.ExecutionCanceler superseded by `PendingJavaScriptResult`
com.vaadin.flow.server.PageConfigurator since 3.0 use `AppShellConfigurator`

Deprecated Classes
Class and Description
com.vaadin.flow.server.BootstrapPageResponse Since 3.0, this API is deprecated in favor of `IndexHtmlResponse` when using client-side bootstrapping
com.vaadin.flow.server.InitialPageSettings since 3.0 use `AppShellSettings`
com.vaadin.flow.internal.nodefeature.PolymerServerEventHandlers Polymer template support is deprecated - we recommend you to use `LitTemplate` instead. Read more details from the Vaadin blog.

Deprecated Annotation Types
Annotation Type and Description
com.vaadin.flow.component.dependency.Uses Polymer template support is deprecated - we recommend you to use `LitTemplate` instead. Read more details from the Vaadin blog.
com.vaadin.flow.server.VaadinServletConfiguration Leftover from Vaadin Framework 8 where the developer typically defines their own servlet class. Starting from Flow 1.0, a servlet is automatically registered and this annotation serves very little purpose.

Deprecated Fields
Field and Description
com.vaadin.flow.server.Constants.COMPILED_WEB_COMPONENTS_PATH Use `InitParameters.COMPILED_WEB_COMPONENTS_PATH` instead.
com.vaadin.flow.server.frontend.FrontendUtils.DEAULT_FLOW_RESOURCES_FOLDER This is deprecated due to a typo. Use DEFAULT_FLOW_RESOURCES_FOLDER instead.
com.vaadin.flow.server.Constants.DISABLE_AUTOMATIC_SERVLET_REGISTRATION Use `InitParameters.DISABLE_AUTOMATIC_SERVLET_REGISTRATION` instead.
com.vaadin.flow.server.Constants.I18N_PROVIDER Use `InitParameters.I18N_PROVIDER` instead.
com.vaadin.flow.server.Constants.REQUIRE_HOME_NODE_EXECUTABLE Use `InitParameters.REQUIRE_HOME_NODE_EXECUTABLE` instead.
com.vaadin.flow.server.Constants.SERVLET_PARAMETER_BROTLI Use `InitParameters.SERVLET_PARAMETER_BROTLI` instead.
com.vaadin.flow.server.Constants.SERVLET_PARAMETER_CLOSE_IDLE_SESSIONS Use `InitParameters.SERVLET_PARAMETER_CLOSE_IDLE_SESSIONS` instead.
com.vaadin.flow.server.Constants.SERVLET_PARAMETER_DEVMODE_ENABLE_LIVE_RELOAD Use `InitParameters.SERVLET_PARAMETER_DEVMODE_ENABLE_LIVE_RELOAD` instead.
com.vaadin.flow.server.Constants.SERVLET_PARAMETER_DEVMODE_OPTIMIZE_BUNDLE Use `InitParameters.SERVLET_PARAMETER_DEVMODE_OPTIMIZE_BUNDLE` instead.
com.vaadin.flow.server.Constants.SERVLET_PARAMETER_DEVMODE_WEBPACK_ERROR_PATTERN Use `InitParameters.SERVLET_PARAMETER_DEVMODE_WEBPACK_ERROR_PATTERN` instead.
com.vaadin.flow.server.Constants.SERVLET_PARAMETER_DEVMODE_WEBPACK_OPTIONS Use `InitParameters.SERVLET_PARAMETER_DEVMODE_WEBPACK_OPTIONS` instead.
com.vaadin.flow.server.Constants.SERVLET_PARAMETER_DEVMODE_WEBPACK_SUCCESS_PATTERN Use `InitParameters.SERVLET_PARAMETER_DEVMODE_WEBPACK_SUCCESS_PATTERN` instead.
com.vaadin.flow.server.Constants.SERVLET_PARAMETER_DEVMODE_WEBPACK_TIMEOUT Use `InitParameters.SERVLET_PARAMETER_DEVMODE_WEBPACK_TIMEOUT` instead.
com.vaadin.flow.server.Constants.SERVLET_PARAMETER_DISABLE_XSRF_PROTECTION Use `InitParameters.SERVLET_PARAMETER_DISABLE_XSRF_PROTECTION` instead.
com.vaadin.flow.server.Constants.SERVLET_PARAMETER_ENABLE_DEV_SERVER Use `InitParameters.SERVLET_PARAMETER_ENABLE_DEV_SERVER` instead.
com.vaadin.flow.server.Constants.SERVLET_PARAMETER_ENABLE_PNPM Use `InitParameters.SERVLET_PARAMETER_ENABLE_PNPM` instead.
com.vaadin.flow.server.Constants.SERVLET_PARAMETER_HEARTBEAT_INTERVAL Use `InitParameters.SERVLET_PARAMETER_HEARTBEAT_INTERVAL` instead.
com.vaadin.flow.server.Constants.SERVLET_PARAMETER_INITIAL_UIDL Use `InitParameters.SERVLET_PARAMETER_INITIAL_UIDL` instead.
com.vaadin.flow.server.Constants.SERVLET_PARAMETER_JSBUNDLE Use `InitParameters.SERVLET_PARAMETER_JSBUNDLE` instead.
com.vaadin.flow.server.Constants.SERVLET_PARAMETER_MAX_MESSAGE_SUSPEND_TIMEOUT Use `InitParameters.SERVLET_PARAMETER_MAX_MESSAGE_SUSPEND_TIMEOUT` instead.
com.vaadin.flow.server.Constants.SERVLET_PARAMETER_POLYFILLS Use `InitParameters.SERVLET_PARAMETER_POLYFILLS` instead.
com.vaadin.flow.server.Constants.SERVLET_PARAMETER_PRODUCTION_MODE Use `InitParameters.SERVLET_PARAMETER_PRODUCTION_MODE` instead.
com.vaadin.flow.server.Constants.SERVLET_PARAMETER_PUSH_MODE Use `InitParameters.SERVLET_PARAMETER_PUSH_MODE` instead.
com.vaadin.flow.server.Constants.SERVLET_PARAMETER_PUSH_SUSPEND_TIMEOUT_LONGPOLLING Use `InitParameters.SERVLET_PARAMETER_PUSH_SUSPEND_TIMEOUT_LONGPOLLING` instead.
com.vaadin.flow.server.Constants.SERVLET_PARAMETER_PUSH_URL Use `InitParameters.SERVLET_PARAMETER_PUSH_URL` instead.
com.vaadin.flow.server.Constants.SERVLET_PARAMETER_REQUEST_TIMING Use `InitParameters.SERVLET_PARAMETER_REQUEST_TIMING` instead.
com.vaadin.flow.server.Constants.SERVLET_PARAMETER_REUSE_DEV_SERVER Use `InitParameters.SERVLET_PARAMETER_REUSE_DEV_SERVER` instead.
com.vaadin.flow.server.Constants.SERVLET_PARAMETER_SEND_URLS_AS_PARAMETERS Use `InitParameters.SERVLET_PARAMETER_SEND_URLS_AS_PARAMETERS` instead.
com.vaadin.flow.server.Constants.SERVLET_PARAMETER_STATISTICS_JSON Use `InitParameters.SERVLET_PARAMETER_STATISTICS_JSON` instead.
com.vaadin.flow.server.Constants.SERVLET_PARAMETER_SYNC_ID_CHECK Use `InitParameters.SERVLET_PARAMETER_SYNC_ID_CHECK` instead.
com.vaadin.flow.server.Constants.SERVLET_PARAMETER_USE_V14_BOOTSTRAP Use `InitParameters.SERVLET_PARAMETER_USE_V14_BOOTSTRAP` instead.
com.vaadin.flow.server.Constants.SERVLET_PARAMETER_WEB_COMPONENT_DISCONNECT Use `InitParameters.SERVLET_PARAMETER_WEB_COMPONENT_DISCONNECT` instead.
com.vaadin.flow.server.VaadinSession.UI_PARAMETER Use `InitParameters.UI_PARAMETER` instead.

Deprecated Methods
Method and Description
com.vaadin.flow.server.ServiceInitEvent.addBootstrapListener(BootstrapListener) Since 3.0, this API is deprecated in favor of `ServiceInitEvent.addIndexHtmlRequestListener(com.vaadin.flow.server.communication.IndexHtmlRequestListener)` when using client-side bootstrapping
com.vaadin.flow.dom.Element.callFunction(String, Serializable...) Use `Element.callJsFunction(String,Serializable...)` instead since it also allows getting return value back.
com.vaadin.flow.server.PageConfigurator.configurePage(InitialPageSettings) Since 3.0, use `AppShellConfigurator.configurePage(AppShellSettings)` instead
com.vaadin.flow.component.page.Page.executeJavaScript(String, Serializable...) Use `Page.executeJs(String,Serializable...)` instead since it also allows getting return value back.
com.vaadin.flow.dom.Element.executeJavaScript(String, Serializable...) Use `Element.executeJs(String,Serializable...)` instead since it also allows getting return value back.
com.vaadin.flow.server.ServiceInitEvent.getAddedBootstrapListeners() Since 3.0, this API is deprecated in favor of `ServiceInitEvent.getAddedIndexHtmlRequestListeners()` when using client-side bootstrapping
com.vaadin.flow.di.Instantiator.getBootstrapListeners(Stream<BootstrapListener>) Since 3.0, this API is deprecated in favor of `Instantiator.getIndexHtmlRequestListeners(Stream)` when using client-side bootstrapping
com.vaadin.flow.router.BeforeEvent.getForwardTargetParameters() use `BeforeEvent.getForwardTargetRouteParameters()` instead.
com.vaadin.flow.internal.nodefeature.AbstractServerHandlers.getHandlerAnnotation() Implement `AbstractServerHandlers.getHandlerAnnotationFqn()` instead
com.vaadin.flow.component.ShortcutRegistration.getOwner() This component has now multiple owners so this method has been replaced by #getOwners().
com.vaadin.flow.router.RouteBaseData.getParameters() use `RouteBaseData.getRouteParameters()` instead.
com.vaadin.flow.router.internal.ConfiguredRoutes.getParentLayouts(String, Class<? extends Component>) use `ConfiguredRoutes.getNavigationRouteTarget(String)` instead.
com.vaadin.flow.router.BeforeEvent.getRerouteTargetParameters() use `BeforeEvent.getRerouteTargetRouteParameters()` instead.
com.vaadin.flow.router.internal.AbstractRouteRegistry.getRouteLayouts(String, Class<? extends Component>) instead use `RouteRegistry.getNavigationRouteTarget(String)` and retrieve the list of route layouts from the `RouteTarget` contained in the `NavigationRouteTarget`.
com.vaadin.flow.server.SessionRouteRegistry.getRouteLayouts(String, Class<? extends Component>) instead use `SessionRouteRegistry.getNavigationRouteTarget(String)` and retrieve the list of route layouts from the `RouteTarget` contained in the `NavigationRouteTarget`.
com.vaadin.flow.server.RouteRegistry.getRouteLayouts(String, Class<? extends Component>) instead use `RouteRegistry.getNavigationRouteTarget(String)` and retrieve the list of route layouts from the `RouteTarget` contained in the `NavigationRouteTarget`.
com.vaadin.flow.component.UI.getRouter() For internal use only. Will be removed in the future.
com.vaadin.flow.router.BeforeEvent.getRouteTargetType() use `BeforeEvent.getRerouteTargetType()` instead.
com.vaadin.flow.router.RouteBaseData.getUrl() use `RouteBaseData.getTemplate()` instead.
com.vaadin.flow.router.RouteConfiguration.isPathRegistered(String) Use `RouteConfiguration.isPathAvailable(String)`
com.vaadin.flow.server.VaadinService.modifyBootstrapPage(BootstrapPageResponse) Since 3.0, this API is deprecated in favor of `VaadinService.modifyIndexHtmlResponse(IndexHtmlResponse)` when using client-side bootstrapping
com.vaadin.flow.router.NavigationState.setUrlParameters(List<String>) use `NavigationState.setRouteParameters(RouteParameters)` instead.
com.vaadin.flow.server.WebBrowser.updateRequestDetails(VaadinRequest) Use `WebBrowser.WebBrowser(VaadinRequest)` constructor instead and create a new instance of WebBrowser to apply the changes from given `VaadinRequest`.
com.vaadin.flow.router.NavigationStateBuilder.withTarget(Class<? extends Component>, List<String>) use `NavigationStateBuilder.withTarget(Class, RouteParameters)` instead.

Deprecated API

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