code: @Override
  	public Collection<Alternative> getAlternatives() {
  
  		List<Alternative> allSuggestions = new ArrayList<>();
  		for (List<Alternative> suggestions : this.suggestions.values()) {
  			allSuggestions.addAll(suggestions);
  		}
  		return allSuggestions;
  	}
docs: /*
  (non-Javadoc)
  @see org.springframework.data.solr.core.query.result.SpellcheckQueryResult#getAlternatives()