### Question:
UserApi { public void createUsersWithArrayInput(List<User> body) throws ApiException { createUsersWithArrayInputWithHttpInfo(body); } UserApi();  UserApi(ApiClient apiClient); ApiClient getApiClient(); void setApiClient(ApiClient apiClient); okhttp3.Call createUserCall(User body, final ApiCallback _callback); void createUser(User body); ApiResponse<Void> createUserWithHttpInfo(User body); okhttp3.Call createUserAsync(User body, final ApiCallback<Void> _callback); okhttp3.Call createUsersWithArrayInputCall(List<User> body, final ApiCallback _callback); void createUsersWithArrayInput(List<User> body); ApiResponse<Void> createUsersWithArrayInputWithHttpInfo(List<User> body); okhttp3.Call createUsersWithArrayInputAsync(List<User> body, final ApiCallback<Void> _callback); okhttp3.Call createUsersWithListInputCall(List<User> body, final ApiCallback _callback); void createUsersWithListInput(List<User> body); ApiResponse<Void> createUsersWithListInputWithHttpInfo(List<User> body); okhttp3.Call createUsersWithListInputAsync(List<User> body, final ApiCallback<Void> _callback); okhttp3.Call deleteUserCall(String username, final ApiCallback _callback); void deleteUser(String username); ApiResponse<Void> deleteUserWithHttpInfo(String username); okhttp3.Call deleteUserAsync(String username, final ApiCallback<Void> _callback); okhttp3.Call getUserByNameCall(String username, final ApiCallback _callback); User getUserByName(String username); ApiResponse<User> getUserByNameWithHttpInfo(String username); okhttp3.Call getUserByNameAsync(String username, final ApiCallback<User> _callback); okhttp3.Call loginUserCall(String username, String password, final ApiCallback _callback); String loginUser(String username, String password); ApiResponse<String> loginUserWithHttpInfo(String username, String password); okhttp3.Call loginUserAsync(String username, String password, final ApiCallback<String> _callback); okhttp3.Call logoutUserCall(final ApiCallback _callback); void logoutUser(); ApiResponse<Void> logoutUserWithHttpInfo(); okhttp3.Call logoutUserAsync(final ApiCallback<Void> _callback); okhttp3.Call updateUserCall(String username, User body, final ApiCallback _callback); void updateUser(String username, User body); ApiResponse<Void> updateUserWithHttpInfo(String username, User body); okhttp3.Call updateUserAsync(String username, User body, final ApiCallback<Void> _callback);  }### Answer:
@Test public void createUsersWithArrayInputTest() throws ApiException { List<User> body = null; api.createUsersWithArrayInput(body); }