code: @Override
  	public Collection<String> getSuggestions(String term) {
  
  		List<String> suggestions = new ArrayList<>();
  		for (Alternative alternative : getAlternatives(term)) {
  			suggestions.add(alternative.getSuggestion());
  		}
  		return suggestions;
  	}
docs: /*
  (non-Javadoc)
  @see org.springframework.data.solr.core.query.result.SpellcheckQueryResult#getSuggestions(java.lang.String)