code: private static void reportMultipleBindingAmbiguity(Set<URL> binderPathSet) {
          if (isAmbiguousStaticLoggerBinderPathSet(binderPathSet)) {
              Util.report("Class path contains multiple SLF4J bindings.");
              for (URL path : binderPathSet) {
                  Util.report("Found binding in [" + path + "]");
              }
              Util.report("See " + MULTIPLE_BINDINGS_URL + " for an explanation.");
          }
      }
docs: Prints a warning message on the console if multiple bindings were found
  on the class path. No reporting is done otherwise.