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