### Question:
AccountNumberFormatApi { public GetAccountNumberFormatsResponseTemplate retrieveTemplate() throws ApiException { ApiResponse<GetAccountNumberFormatsResponseTemplate> resp = retrieveTemplateWithHttpInfo(); return resp.getData(); } AccountNumberFormatApi();  AccountNumberFormatApi(ApiClient apiClient); ApiClient getApiClient(); void setApiClient(ApiClient apiClient); com.squareup.okhttp.Call createCall(PostAccountNumberFormatsRequest body, final ProgressResponseBody.ProgressListener progressListener, final ProgressRequestBody.ProgressRequestListener progressRequestListener); PostAccountNumberFormatsResponse create(PostAccountNumberFormatsRequest body); ApiResponse<PostAccountNumberFormatsResponse> createWithHttpInfo(PostAccountNumberFormatsRequest body); com.squareup.okhttp.Call createAsync(PostAccountNumberFormatsRequest body, final ApiCallback<PostAccountNumberFormatsResponse> callback); com.squareup.okhttp.Call deleteCall(Long accountNumberFormatId, final ProgressResponseBody.ProgressListener progressListener, final ProgressRequestBody.ProgressRequestListener progressRequestListener); DeleteAccountNumberFormatsResponse delete(Long accountNumberFormatId); ApiResponse<DeleteAccountNumberFormatsResponse> deleteWithHttpInfo(Long accountNumberFormatId); com.squareup.okhttp.Call deleteAsync(Long accountNumberFormatId, final ApiCallback<DeleteAccountNumberFormatsResponse> callback); com.squareup.okhttp.Call retrieveAllCall(final ProgressResponseBody.ProgressListener progressListener, final ProgressRequestBody.ProgressRequestListener progressRequestListener); List<GetAccountNumberFormatsIdResponse> retrieveAll(); ApiResponse<List<GetAccountNumberFormatsIdResponse>> retrieveAllWithHttpInfo(); com.squareup.okhttp.Call retrieveAllAsync(final ApiCallback<List<GetAccountNumberFormatsIdResponse>> callback); com.squareup.okhttp.Call retrieveOneCall(Long accountNumberFormatId, final ProgressResponseBody.ProgressListener progressListener, final ProgressRequestBody.ProgressRequestListener progressRequestListener); GetAccountNumberFormatsIdResponse retrieveOne(Long accountNumberFormatId); ApiResponse<GetAccountNumberFormatsIdResponse> retrieveOneWithHttpInfo(Long accountNumberFormatId); com.squareup.okhttp.Call retrieveOneAsync(Long accountNumberFormatId, final ApiCallback<GetAccountNumberFormatsIdResponse> callback); com.squareup.okhttp.Call retrieveTemplateCall(final ProgressResponseBody.ProgressListener progressListener, final ProgressRequestBody.ProgressRequestListener progressRequestListener); GetAccountNumberFormatsResponseTemplate retrieveTemplate(); ApiResponse<GetAccountNumberFormatsResponseTemplate> retrieveTemplateWithHttpInfo(); com.squareup.okhttp.Call retrieveTemplateAsync(final ApiCallback<GetAccountNumberFormatsResponseTemplate> callback); com.squareup.okhttp.Call updateCall(Long accountNumberFormatId, PutAccountNumberFormatsRequest body, final ProgressResponseBody.ProgressListener progressListener, final ProgressRequestBody.ProgressRequestListener progressRequestListener); PutAccountNumberFormatsResponse update(Long accountNumberFormatId, PutAccountNumberFormatsRequest body); ApiResponse<PutAccountNumberFormatsResponse> updateWithHttpInfo(Long accountNumberFormatId, PutAccountNumberFormatsRequest body); com.squareup.okhttp.Call updateAsync(Long accountNumberFormatId, PutAccountNumberFormatsRequest body, final ApiCallback<PutAccountNumberFormatsResponse> callback);  }### Answer:
@Test public void retrieveTemplateTest() throws ApiException { GetAccountNumberFormatsResponseTemplate response = api.retrieveTemplate(); }