public Set<InternalDistributedMember> adviseGeneric() {
    return adviseFilter(null);
  }
Provide recipient information for any other operation. Returns the set of members that have
remote counterparts.

@return Set of Serializable members; no reference to Set kept by advisor so caller is free to
        modify it
geode-core/src/main/java/org/apache/geode/distributed/internal/DistributionAdvisor.java