### Question:
DomainNameapiv1entityentityIdimagesApi { public String updateClientImage(String entity, Long entityId, Long contentLength, File file) throws ApiException { ApiResponse<String> resp = updateClientImageWithHttpInfo(entity, entityId, contentLength, file); return resp.getData(); } DomainNameapiv1entityentityIdimagesApi();  DomainNameapiv1entityentityIdimagesApi(ApiClient apiClient); ApiClient getApiClient(); void setApiClient(ApiClient apiClient); com.squareup.okhttp.Call addNewClientImageCall(String entity, Long entityId, String body, final ProgressResponseBody.ProgressListener progressListener, final ProgressRequestBody.ProgressRequestListener progressRequestListener); String addNewClientImage(String entity, Long entityId, String body); ApiResponse<String> addNewClientImageWithHttpInfo(String entity, Long entityId, String body); com.squareup.okhttp.Call addNewClientImageAsync(String entity, Long entityId, String body, final ApiCallback<String> callback); com.squareup.okhttp.Call deleteClientImageCall(String entity, Long entityId, final ProgressResponseBody.ProgressListener progressListener, final ProgressRequestBody.ProgressRequestListener progressRequestListener); String deleteClientImage(String entity, Long entityId); ApiResponse<String> deleteClientImageWithHttpInfo(String entity, Long entityId); com.squareup.okhttp.Call deleteClientImageAsync(String entity, Long entityId, final ApiCallback<String> callback); com.squareup.okhttp.Call downloadClientImageCall(String entity, Long entityId, Integer maxWidth, Integer maxHeight, String output, final ProgressResponseBody.ProgressListener progressListener, final ProgressRequestBody.ProgressRequestListener progressRequestListener); void downloadClientImage(String entity, Long entityId, Integer maxWidth, Integer maxHeight, String output); ApiResponse<Void> downloadClientImageWithHttpInfo(String entity, Long entityId, Integer maxWidth, Integer maxHeight, String output); com.squareup.okhttp.Call downloadClientImageAsync(String entity, Long entityId, Integer maxWidth, Integer maxHeight, String output, final ApiCallback<Void> callback); com.squareup.okhttp.Call updateClientImageCall(String entity, Long entityId, Long contentLength, File file, final ProgressResponseBody.ProgressListener progressListener, final ProgressRequestBody.ProgressRequestListener progressRequestListener); String updateClientImage(String entity, Long entityId, Long contentLength, File file); ApiResponse<String> updateClientImageWithHttpInfo(String entity, Long entityId, Long contentLength, File file); com.squareup.okhttp.Call updateClientImageAsync(String entity, Long entityId, Long contentLength, File file, final ApiCallback<String> callback);  }### Answer:
@Test public void updateClientImageTest() throws ApiException { String entity = null; Long entityId = null; Long contentLength = null; File file = null; String response = api.updateClientImage(entity, entityId, contentLength, file); }