LombokNullAnnotationLibrary (@NotNull PsiClass psiClass) { final String configProperty = getStringLombokConfigProperty(ConfigKey.ADD_NULL_ANNOTATIONS, psiClass); if (StringUtil.isNotEmpty(configProperty)) { for (LombokNullAnnotationLibraryDefned library : LombokNullAnnotationLibraryDefned.values()) { if (library.getKey().equalsIgnoreCase(configProperty)) { return library; } } final LombokNullAnnotationLibrary parsedCustom = LombokNullAnnotationLibraryCustom.parseCustom(configProperty); if (null != parsedCustom) { return parsedCustom; } } return LombokNullAnnotationLibraryDefned.NONE; }