NewClient returns a new `filerGateway` instance with settings given by the `config` file.

Client implements client interfaces of the FilerGateway.

NetAppCLI implements functions to manage project qtree on NetApp filer via the SSH-based management interface.

ServiceError is the data structure representing the filer-gateway internal error messages for API error code 400 and 500.

ServiceTask is the data structure representing the asynchronous filer-gateway task.

ServiceTaskStatus is the data structure representing the status detail of a filer-gateway task.