code: @Deprecated
    public void setOption(String key, String value) {
      if (key.equalsIgnoreCase(PROCESS_TYPE_OPTION)) {
        mProcessType = value;
      }
    }
docs: @deprecated Sets option value use key=value format. The log4j.properties file uses this
  to set options. See the log4j.properties for more details.
  
  @param key key (name) of the option
  @param value value of the option