### Question:
PasswordPreferencesApi { public GetPasswordPreferencesTemplateResponse retrieve() throws ApiException { ApiResponse<GetPasswordPreferencesTemplateResponse> resp = retrieveWithHttpInfo(); return resp.getData(); } PasswordPreferencesApi();  PasswordPreferencesApi(ApiClient apiClient); ApiClient getApiClient(); void setApiClient(ApiClient apiClient); com.squareup.okhttp.Call retrieveCall(final ProgressResponseBody.ProgressListener progressListener, final ProgressRequestBody.ProgressRequestListener progressRequestListener); GetPasswordPreferencesTemplateResponse retrieve(); ApiResponse<GetPasswordPreferencesTemplateResponse> retrieveWithHttpInfo(); com.squareup.okhttp.Call retrieveAsync(final ApiCallback<GetPasswordPreferencesTemplateResponse> callback); com.squareup.okhttp.Call templateCall(final ProgressResponseBody.ProgressListener progressListener, final ProgressRequestBody.ProgressRequestListener progressRequestListener); List<GetPasswordPreferencesTemplateResponse> template(); ApiResponse<List<GetPasswordPreferencesTemplateResponse>> templateWithHttpInfo(); com.squareup.okhttp.Call templateAsync(final ApiCallback<List<GetPasswordPreferencesTemplateResponse>> callback); com.squareup.okhttp.Call updateCall(PutPasswordPreferencesTemplateRequest body, final ProgressResponseBody.ProgressListener progressListener, final ProgressRequestBody.ProgressRequestListener progressRequestListener); void update(PutPasswordPreferencesTemplateRequest body); ApiResponse<Void> updateWithHttpInfo(PutPasswordPreferencesTemplateRequest body); com.squareup.okhttp.Call updateAsync(PutPasswordPreferencesTemplateRequest body, final ApiCallback<Void> callback);  }### Answer:
@Test public void retrieveTest() throws ApiException { GetPasswordPreferencesTemplateResponse response = api.retrieve(); }