https://lofidewanto.blogspot.com/2021/01/webapis-indexeddb-with-java-gwt-j2cl.html?showComment=1632824195735
WebAPIs IndexedDB with Java and Design Patterns
WebAPIs IndexedDB with Java GWT J2CL using Well Known Design Patterns https://bit.ly/GwtIndexedDBDesignPatterns Enjoy!
indexeddbjavadesignpatterns