public Map<String, ParamDefinition> getDefaultStepParams() {
    return preprocessParams(defaultStepParams);
  }
@Test
  public void testDefaultStepsParamsMutate() {
    defaultParamManager
        .getDefaultStepParams()
        .put("TEST", ParamDefinition.buildParamDefinition("TEST", "123"));
    assertNull(defaultParamManager.getDefaultStepParams().get("TEST"));
  }