TElLDAPSKeyserverSearchFilter is a base class for TElLDAPSKeyserverSearchFilter.
This class represents a filter which is used to perform search in LDAP database. A filter consists of zero or more conditions. Each condition consists of a string value, an equality criterium, and a logical condition which relates the current condition to other ones. Use AddCondition method to add a new condition to the filter. If you need a string representation of the filter, use ToString method.