docs: public static InputStream getRequiredResourceAsStream(Class<?> clzz, String location) {
          InputStream resourceStream = clzz.getResourceAsStream(location);
  
          if (resourceStream == null) {
              // Try with a leading "/"
              if (!location.startsWith("/")) {
                  resourceStream = clzz.getResourceAsStream("/" + location);
              }
              if (resourceStream == null) {
                  throw new RuntimeException("Resource file was not found at location " + location);
              }
          }
  
          return resourceStream;
      }