A helper object interface used to resolve domain matches to handlers defined at their location.
Note that the handlers here may define only a subset of the overall handlers
applied to any given qname (for example, if a qname matches one or more wildcard queries).
A helper object interface used to resolve domain matches to handlers defined at their location.
Note that the handlers here may define only a subset of the overall handlers applied to any given qname (for example, if a qname matches one or more wildcard queries).