code: @Deprecated
      public static String getRelativeUnixPath(final String basePath, final String refPath) {
          return getRelativePath(basePath, refPath, UNIX_SEPARATOR);
      }
docs: Resolves a path reference against a base path.
  
  @param basePath base path
  @param refPath reference path
  @return relative path using {@link Constants#UNIX_SEPARATOR} path separator