@NotNull
  @Override
  String getLoggerInitializer(@NotNull PsiClass psiClass) {
    String loggerInitializer = CustomLogParser.parseLoggerInitializer(getCustomDeclaration(psiClass));
    if (loggerInitializer == null) {
      throw new IllegalStateException("Invalid custom log declaration."); // validated
    }
    return loggerInitializer;
  }
@NotNull
  @Override
  String getLoggerInitializer(@NotNull PsiClass psiClass)