public int getVersion() {
    return _version;
  }
@Test
  public void withSomeData()
      throws JsonProcessingException {
    String confStr = "{\n"
        + "        \"version\": 42\n"
        + "}";
    RangeIndexConfig config = JsonUtils.stringToObject(confStr, RangeIndexConfig.class);

    assertFalse(config.isDisabled(), "Unexpected disabled");
    assertEquals(config.getVersion(), 42, "Unexpected version");
  }