myProject = project;
}
public UsageGroup groupUsage(Usage usage) {
if (usage instanceof UsageInFile) {
UsageInFile usageInFile = (UsageInFile)usage;
VirtualFile file = usageInFile.getFile();
if (file != null) {
VirtualFile dir = file.getParent();
if (dir == null) return null;
PsiDirectory psiDirectory = PsiManager.getInstance(myProject).findDirectory(dir);
if (psiDirectory != null) {