code: public static String optionallyRemoveFollowingSlash(final String path) {
          // Precondition check
          assertSpecified(path);
  
          // Is there's a last character of slash
          if (isLastCharSlash(path)) {
              // Return everything but last char
              return path.substring(0, path.length() - 1);
          }
  
          // Return as-is
          return path;
      }
docs: Removes, if present, the absolute slash following the specified path, and returns the adjusted result.
  
  @param path
  @return