public CreateTeamEmployeePreCommand(ITeamManagementEmployeeValidatorResolver validatorResolver, IFileStore fileStore)
        {
            if (validatorResolver == null)
                throw new ArgumentNullException("validatorResolver");

            this.validatorResolver = validatorResolver;
            this.fileStore = fileStore;
        }
        public DeleteTeamEmployeePreCommand(IConnectionManager connectionManager, ITeamManagementEmployeeService service, ITeamManagementEmployeeValidatorResolver validatorResolver)
        {
            if (service == null)
                throw new ArgumentNullException("service");

            if (validatorResolver == null)
                throw new ArgumentNullException("validatorResolver");

            ConnectionManager = connectionManager;

            this.service = service;
            this.validatorResolver = validatorResolver;
        }