code: @Override
  	public <E extends Exception> T getPluginFor(S delimiter, Supplier<E> ex) throws E {
  
  		Assert.notNull(delimiter, "Delimiter must not be null!");
  		Assert.notNull(ex, "Exception supplier must not be null!");
  
  		return getPluginFor(delimiter).orElseThrow(ex);
  	}
docs: /*
  (non-Javadoc)
  @see org.springframework.plugin.core.PluginRegistry#getPluginFor(java.lang.Object, org.springframework.plugin.core.PluginRegistry.Supplier)