https://help.eclipse.org/latest/nftopic/org.eclipse.platform.doc.isv/reference/api/org/eclipse/e4/ui/model/application/impl/ApplicationPackageImpl.Literals.html
ApplicationPackageImpl.Literals (Eclipse Platform API Specification)
declaration: package: org.eclipse.e4.ui.model.application.impl, class: ApplicationPackageImpl, interface: Literals
platform apiliteralseclipsespecification