### Question:
PetApi { public void addPet(Pet body) throws ApiException { addPetWithHttpInfo(body); } PetApi();  PetApi(ApiClient apiClient); ApiClient getApiClient(); void setApiClient(ApiClient apiClient); okhttp3.Call addPetCall(Pet body, final ApiCallback _callback); void addPet(Pet body); ApiResponse<Void> addPetWithHttpInfo(Pet body); okhttp3.Call addPetAsync(Pet body, final ApiCallback<Void> _callback); okhttp3.Call deletePetCall(Long petId, String apiKey, final ApiCallback _callback); void deletePet(Long petId, String apiKey); ApiResponse<Void> deletePetWithHttpInfo(Long petId, String apiKey); okhttp3.Call deletePetAsync(Long petId, String apiKey, final ApiCallback<Void> _callback); okhttp3.Call findPetsByStatusCall(List<String> status, final ApiCallback _callback); List<Pet> findPetsByStatus(List<String> status); ApiResponse<List<Pet>> findPetsByStatusWithHttpInfo(List<String> status); okhttp3.Call findPetsByStatusAsync(List<String> status, final ApiCallback<List<Pet>> _callback); @Deprecated okhttp3.Call findPetsByTagsCall(Set<String> tags, final ApiCallback _callback); @Deprecated Set<Pet> findPetsByTags(Set<String> tags); @Deprecated ApiResponse<Set<Pet>> findPetsByTagsWithHttpInfo(Set<String> tags); @Deprecated okhttp3.Call findPetsByTagsAsync(Set<String> tags, final ApiCallback<Set<Pet>> _callback); okhttp3.Call getPetByIdCall(Long petId, final ApiCallback _callback); Pet getPetById(Long petId); ApiResponse<Pet> getPetByIdWithHttpInfo(Long petId); okhttp3.Call getPetByIdAsync(Long petId, final ApiCallback<Pet> _callback); okhttp3.Call updatePetCall(Pet body, final ApiCallback _callback); void updatePet(Pet body); ApiResponse<Void> updatePetWithHttpInfo(Pet body); okhttp3.Call updatePetAsync(Pet body, final ApiCallback<Void> _callback); okhttp3.Call updatePetWithFormCall(Long petId, String name, String status, final ApiCallback _callback); void updatePetWithForm(Long petId, String name, String status); ApiResponse<Void> updatePetWithFormWithHttpInfo(Long petId, String name, String status); okhttp3.Call updatePetWithFormAsync(Long petId, String name, String status, final ApiCallback<Void> _callback); okhttp3.Call uploadFileCall(Long petId, String additionalMetadata, File file, final ApiCallback _callback); ModelApiResponse uploadFile(Long petId, String additionalMetadata, File file); ApiResponse<ModelApiResponse> uploadFileWithHttpInfo(Long petId, String additionalMetadata, File file); okhttp3.Call uploadFileAsync(Long petId, String additionalMetadata, File file, final ApiCallback<ModelApiResponse> _callback); okhttp3.Call uploadFileWithRequiredFileCall(Long petId, File requiredFile, String additionalMetadata, final ApiCallback _callback); ModelApiResponse uploadFileWithRequiredFile(Long petId, File requiredFile, String additionalMetadata); ApiResponse<ModelApiResponse> uploadFileWithRequiredFileWithHttpInfo(Long petId, File requiredFile, String additionalMetadata); okhttp3.Call uploadFileWithRequiredFileAsync(Long petId, File requiredFile, String additionalMetadata, final ApiCallback<ModelApiResponse> _callback);  }### Answer:
@Test public void addPetTest() throws ApiException { Pet body = null; api.addPet(body); }