### Question:
PovertyLineApi { public String retrieveAll(String ppiName) throws ApiException { ApiResponse<String> resp = retrieveAllWithHttpInfo(ppiName); return resp.getData(); } PovertyLineApi();  PovertyLineApi(ApiClient apiClient); ApiClient getApiClient(); void setApiClient(ApiClient apiClient); com.squareup.okhttp.Call retrieveAllCall(String ppiName, final ProgressResponseBody.ProgressListener progressListener, final ProgressRequestBody.ProgressRequestListener progressRequestListener); String retrieveAll(String ppiName); ApiResponse<String> retrieveAllWithHttpInfo(String ppiName); com.squareup.okhttp.Call retrieveAllAsync(String ppiName, final ApiCallback<String> callback); com.squareup.okhttp.Call retrieveAll_0Call(String ppiName, Long likelihoodId, final ProgressResponseBody.ProgressListener progressListener, final ProgressRequestBody.ProgressRequestListener progressRequestListener); String retrieveAll_0(String ppiName, Long likelihoodId); ApiResponse<String> retrieveAll_0WithHttpInfo(String ppiName, Long likelihoodId); com.squareup.okhttp.Call retrieveAll_0Async(String ppiName, Long likelihoodId, final ApiCallback<String> callback);  }### Answer:
@Test public void retrieveAllTest() throws ApiException { String ppiName = null; String response = api.retrieveAll(ppiName); }