assertThat(docMapper.mappers().indexName("last1"), nullValue());
assertThat(docMapper.mappers().indexName("i_last_1"), notNullValue());
assertThat(docMapper.mappers().indexName("name1.last1"), nullValue());
assertThat(docMapper.mappers().indexName("name1.i_last_1"), nullValue());
assertThat(docMapper.mappers().indexName("first2"), nullValue());
assertThat(docMapper.mappers().indexName("name2.first2"), notNullValue());
assertThat(docMapper.mappers().indexName("last2"), nullValue());
assertThat(docMapper.mappers().indexName("i_last_2"), nullValue());
assertThat(docMapper.mappers().indexName("name2.i_last_2"), notNullValue());
assertThat(docMapper.mappers().indexName("name2.last2"), nullValue());