boolean (@NotNull OrderRootType orderRootType, @NotNull Sdk sdk, @NotNull SdkModificator toModificator) { boolean wasSmthAdded = false; final String[] entries = sdk.getRootProvider().getUrls(orderRootType); for (String entry : entries) { VirtualFile virtualFile = VirtualFileManager.getInstance().findFileByUrl(entry); if (virtualFile != null) { toModificator.addRoot(virtualFile, orderRootType); wasSmthAdded = true; } } return wasSmthAdded; }