Update _3gpp-common-filemanagement.yang

    uses yang3gpp:ProcessMonitor {

          refine resultStateInfo {

           description "If status is FAILED this provides the reason.";

             enum NULL ;

             enum UNKNOWN ;

             enum NO_STORAGE ;

             enum LOW_MEMORY ;

             enum NO_CONNECTION_TO_REMOTE_SERVER ;

             enum FILE_NOT_AVAILABLE ;

             enum DNS_CANNOT_BE_RESOLVED ;

             enum TIMER_EXPIRED ;

             enum OTHER ;

           must "false() = 'NULL'";

           must "false() = 'UNKNOWN'";

           must "false() = 'NO_STORAGE'";

           must "false() = 'LOW_MEMORY'";

           must "false() = 'NO_CONNECTION_TO_REMOTE_SERVER'";

           must "false() = 'FILE_NOT_AVAILABLE'";

           must "false() = 'DNS_CANNOT_BE_RESOLVED'";

           must "false() = 'TIMER_EXPIRED'";

           must "false() = 'OTHER'";

          }

          refine status {

           description "Limits to status applicable for file download.";