### Question:
FakeApi { public void testEnumParameters(List<String> enumHeaderStringArray, String enumHeaderString, List<String> enumQueryStringArray, String enumQueryString, Integer enumQueryInteger, Double enumQueryDouble, List<String> enumFormStringArray, String enumFormString) throws ApiException { Object localVarPostBody = null; String localVarPath = "/fake".replaceAll("\\{format\\}","json"); List<Pair> localVarQueryParams = new ArrayList<Pair>(); Map<String, String> localVarHeaderParams = new HashMap<String, String>(); Map<String, String> localVarCookieParams = new HashMap<String, String>(); Map<String, Object> localVarFormParams = new HashMap<String, Object>(); localVarQueryParams.addAll(apiClient.parameterToPairs("csv", "enum_query_string_array", enumQueryStringArray)); localVarQueryParams.addAll(apiClient.parameterToPairs("", "enum_query_string", enumQueryString)); localVarQueryParams.addAll(apiClient.parameterToPairs("", "enum_query_integer", enumQueryInteger)); localVarQueryParams.addAll(apiClient.parameterToPairs("", "enum_query_double", enumQueryDouble)); if (enumHeaderStringArray != null) localVarHeaderParams.put("enum_header_string_array", apiClient.parameterToString(enumHeaderStringArray)); if (enumHeaderString != null) localVarHeaderParams.put("enum_header_string", apiClient.parameterToString(enumHeaderString)); if (enumFormStringArray != null) localVarFormParams.put("enum_form_string_array", enumFormStringArray); if (enumFormString != null) localVarFormParams.put("enum_form_string", enumFormString); final String[] localVarAccepts = { }; final String localVarAccept = apiClient.selectHeaderAccept(localVarAccepts); final String[] localVarContentTypes = { "application/x-www-form-urlencoded" }; final String localVarContentType = apiClient.selectHeaderContentType(localVarContentTypes); String[] localVarAuthNames = new String[] { }; apiClient.invokeAPI(localVarPath, "GET", localVarQueryParams, localVarPostBody, localVarHeaderParams, localVarCookieParams, localVarFormParams, localVarAccept, localVarContentType, localVarAuthNames, null); } FakeApi();  FakeApi(ApiClient apiClient); ApiClient getApiClient(); void setApiClient(ApiClient apiClient); void createXmlItem(XmlItem xmlItem); Boolean fakeOuterBooleanSerialize(Boolean body); OuterComposite fakeOuterCompositeSerialize(OuterComposite body); BigDecimal fakeOuterNumberSerialize(BigDecimal body); String fakeOuterStringSerialize(String body); void testBodyWithFileSchema(FileSchemaTestClass body); void testBodyWithQueryParams(String query, User body); Client testClientModel(Client body); void testEndpointParameters(BigDecimal number, Double _double, String patternWithoutDelimiter, byte[] _byte, Integer integer, Integer int32, Long int64, Float _float, String string, File binary, LocalDate date, OffsetDateTime dateTime, String password, String paramCallback); void testEnumParameters(List<String> enumHeaderStringArray, String enumHeaderString, List<String> enumQueryStringArray, String enumQueryString, Integer enumQueryInteger, Double enumQueryDouble, List<String> enumFormStringArray, String enumFormString); void testGroupParameters(Integer requiredStringGroup, Boolean requiredBooleanGroup, Long requiredInt64Group, Integer stringGroup, Boolean booleanGroup, Long int64Group); void testInlineAdditionalProperties(Map<String, String> param); void testJsonFormData(String param, String param2); void testQueryParameterCollectionFormat(List<String> pipe, List<String> ioutil, List<String> http, List<String> url, List<String> context);  }### Answer:
@Test public void testEnumParametersTest() throws ApiException { List<String> enumHeaderStringArray = null; String enumHeaderString = null; List<String> enumQueryStringArray = null; String enumQueryString = null; Integer enumQueryInteger = null; Double enumQueryDouble = null; List<String> enumFormStringArray = null; String enumFormString = null; api.testEnumParameters(enumHeaderStringArray, enumHeaderString, enumQueryStringArray, enumQueryString, enumQueryInteger, enumQueryDouble, enumFormStringArray, enumFormString); }