https://vaadin.com/api/platform/current/com/vaadin/flow/server/BootstrapHandler.BootstrapUriResolver.html
BootstrapHandler.BootstrapUriResolver (Vaadin Platform (vaadin-platform-javadoc) 25.1.5 API)
declaration: package: com.vaadin.flow.server, class: BootstrapHandler, class: BootstrapUriResolver
vaadinplatformjavadocapi