code: public static UUID getBootAgentIdentifier() {
  		final String id = JanusConfig.getSystemProperty(JanusConfig.BOOT_AGENT_ID);
  		if (id != null && !id.isEmpty()) {
  			try {
  				return UUID.fromString(id);
  			} catch (Throwable exception) {
  				//
  			}
  		}
  		return null;
  	}
docs: Replies the identifier of the boot agent from the system's properties. The boot agent is launched with
  {@link #startJanus(Class, Object...)}.
  
  @return the identifier of the boot agent, or <code>null</code> if it is unknown.
  @since 2.0.2.0
  @see JanusConfig#BOOT_AGENT_ID
  @see #startJanus(Class, Object...)