### Question:
UsageApi { public Object anyKey() throws ApiException { return anyKeyWithHttpInfo().getData(); } UsageApi();  UsageApi(ApiClient apiClient); ApiClient getApiClient(); void setApiClient(ApiClient apiClient); Object anyKey(); ApiResponse<Object> anyKeyWithHttpInfo(); Object bothKeys(); ApiResponse<Object> bothKeysWithHttpInfo(); Object keyInHeader(); ApiResponse<Object> keyInHeaderWithHttpInfo(); Object keyInQuery(); ApiResponse<Object> keyInQueryWithHttpInfo();  }### Answer:
@Test public void anyKeyTest() throws ApiException { }