libeclipse-ui-navigator-java 3.10.400+eclipse4.26-1 (riscv64 binary) in ubuntu lunar

 The Eclipse Platform UI project is responsible for the runtime, user interface
 and help components of Eclipse. Platform UI provides the basic building blocks
 to create the Eclipse IDE and other Eclipse based applications called Rich
 Client Platform (RCP).
 .
 This package contains the org.eclipse.ui.navigator bundle.