docs: protected String getExpectedPackageName(EObject model) {
  		final URI fileURI = model.eResource().getURI();
  		for (final Pair<IStorage, IProject> storage: this.storage2UriMapper.getStorages(fileURI)) {
  			if (storage.getFirst() instanceof IFile) {
  				final IPath fileWorkspacePath = storage.getFirst().getFullPath();
  				final IJavaProject javaProject = JavaCore.create(storage.getSecond());
  				return extractProjectPath(fileWorkspacePath, javaProject);
  			}
  		}
  		return null;
  	}