### Question:
StaffApi { public PutStaffResponse updateStaff(Long staffId, PutStaffRequest body) throws ApiException { ApiResponse<PutStaffResponse> resp = updateStaffWithHttpInfo(staffId, body); return resp.getData(); } StaffApi();  StaffApi(ApiClient apiClient); ApiClient getApiClient(); void setApiClient(ApiClient apiClient); com.squareup.okhttp.Call createStaffCall(PostStaffRequest body, final ProgressResponseBody.ProgressListener progressListener, final ProgressRequestBody.ProgressRequestListener progressRequestListener); PostStaffResponse createStaff(PostStaffRequest body); ApiResponse<PostStaffResponse> createStaffWithHttpInfo(PostStaffRequest body); com.squareup.okhttp.Call createStaffAsync(PostStaffRequest body, final ApiCallback<PostStaffResponse> callback); com.squareup.okhttp.Call retreiveStaffCall(Long staffId, final ProgressResponseBody.ProgressListener progressListener, final ProgressRequestBody.ProgressRequestListener progressRequestListener); GetStaffResponse retreiveStaff(Long staffId); ApiResponse<GetStaffResponse> retreiveStaffWithHttpInfo(Long staffId); com.squareup.okhttp.Call retreiveStaffAsync(Long staffId, final ApiCallback<GetStaffResponse> callback); com.squareup.okhttp.Call retrieveStaffCall(String sqlSearch, Long officeId, Boolean staffInOfficeHierarchy, Boolean loanOfficersOnly, String status, final ProgressResponseBody.ProgressListener progressListener, final ProgressRequestBody.ProgressRequestListener progressRequestListener); GetStaffResponse retrieveStaff(String sqlSearch, Long officeId, Boolean staffInOfficeHierarchy, Boolean loanOfficersOnly, String status); ApiResponse<GetStaffResponse> retrieveStaffWithHttpInfo(String sqlSearch, Long officeId, Boolean staffInOfficeHierarchy, Boolean loanOfficersOnly, String status); com.squareup.okhttp.Call retrieveStaffAsync(String sqlSearch, Long officeId, Boolean staffInOfficeHierarchy, Boolean loanOfficersOnly, String status, final ApiCallback<GetStaffResponse> callback); com.squareup.okhttp.Call updateStaffCall(Long staffId, PutStaffRequest body, final ProgressResponseBody.ProgressListener progressListener, final ProgressRequestBody.ProgressRequestListener progressRequestListener); PutStaffResponse updateStaff(Long staffId, PutStaffRequest body); ApiResponse<PutStaffResponse> updateStaffWithHttpInfo(Long staffId, PutStaffRequest body); com.squareup.okhttp.Call updateStaffAsync(Long staffId, PutStaffRequest body, final ApiCallback<PutStaffResponse> callback);  }### Answer:
@Test public void updateStaffTest() throws ApiException { Long staffId = null; PutStaffRequest body = null; PutStaffResponse response = api.updateStaff(staffId, body); }