code: @Override
  	public List<T> getPluginsFor(S delimiter) {
  
  		Assert.notNull(delimiter, "Delimiter must not be null!");
  
  		return super.getPlugins().stream()//
  				.filter(it -> it.supports(delimiter))//
  				.collect(Collectors.toList());
  	}
docs: /*
  (non-Javadoc)
  @see org.springframework.plugin.core.PluginRegistry#getPluginsFor(java.lang.Object)