return relevantDocIds;
    }

    /**
     * Returns the list of relevant indexes (1-based) from search results.
     *
     * @return the relevant indexes
     */
    public List<Integer> getRelevantIndexes() {
        return relevantIndexes;
    }

    /**
     * Returns whether relevant results were found.
     *
     * @return true if relevant results exist
     */

        assertEquals(1, result.getRelevantDocIds().size());
        assertEquals("doc1", result.getRelevantDocIds().get(0));
        assertEquals(1, result.getRelevantIndexes().size());
        assertEquals(Integer.valueOf(1), result.getRelevantIndexes().get(0));
    }

    @Test
    public void test_withRelevantDocs_emptyLists() {
        List<String> docIds = Collections.emptyList();