code: private static void configureAuthentication(final String role) {
  		final Collection<GrantedAuthority> authorities = AuthorityUtils.createAuthorityList(role);
  		final Authentication authentication = new UsernamePasswordAuthenticationToken("service.impl.BootstrapDefaultConfig", "n/a", authorities);
  		SecurityContextHolder.getContext().setAuthentication(authentication);
  	}
docs: Configure authentication.
  
  @param role
  the role