Plugin enables to define exclusive label
Exclusive label enables specify which lables ale exclusive in Jenkins global configuration.
"Exclusive label" means that node with this label can be assigned only if user wants this label. Example: a slave has three labels linux, hibernate, ipv6 and ipv6 is exclusive label. The slave cannot be asigned by label expression linux, hibernate, linux&&hibernate and so on because this labels do not match ipv6. The slave can be assibned by expression which match ipv6 too, for example: linux && ipv6.