List<String> () { ExtensionPointImpl<FileTypeRegistry.@NotNull FileTypeDetector> ep = (ExtensionPointImpl<FileTypeRegistry.@NotNull FileTypeDetector>)FileTypeRegistry.FileTypeDetector.EP_NAME.getPoint(); int size = ep.size(); if (size == 0) { return Collections.emptyList(); } List<String> result = new ArrayList<>(size); for (ExtensionComponentAdapter adapter : ep.getSortedAdapters()) { result.add(adapter.getAssignableToClassName()); } return result; }