code: public static Optional<List<String>> getStringListAsOptWithClasspath(
              String classpathOrFilePath) {
          return getResourceInputStreamAsOpt(classpathOrFilePath)
                  .map(JMInputStream::readLines);
      }
docs: Gets string list as opt with classpath.
  
  @param classpathOrFilePath the classpath or file path
  @return the string list as opt with classpath