void () { checkThreading(); try { if (myLanguage == null) { throw new IllegalStateException("Seems you haven't called startInjecting()"); } if (placeInfos.isEmpty()) { throw new IllegalStateException("Seems you haven't called addPlace()"); } Language forcedLanguage = myContextElement.getUserData(SingleRootInjectedFileViewProvider.LANGUAGE_FOR_INJECTED_COPY_KEY); checkForCorrectContextElement(placeInfos, myContextElement, myLanguage, myHostPsiFile, myHostVirtualFile, myHostDocument, myDocumentManagerBase); createAndRegisterInjected(forcedLanguage); } finally { clear(); } }