public String[] getPostArgs() {
    return postArgs;
  }
After processing the command line arguments, this method may be used to return all arguments
which were excluded from processing by their placement after the "<code>--</code>"
psuedo-argument.

@return all unprocess arguments
extensions/geode-modules-session/src/main/java/org/apache/geode/modules/session/installer/args/ArgumentValues.java