public void setGroupIdFilter(java.util.Collection<Group> groupIdFilter) {
        if (groupIdFilter == null) {
            this.groupIdFilter = null;
            return;
        }

        this.groupIdFilter = new java.util.ArrayList<Group>(groupIdFilter);
    }
<p>
Specifies the group ID to filter on.
</p>

@param groupIdFilter
       Specifies the group ID to filter on.
aws-java-sdk-migrationhubstrategyrecommendations/src/main/java/com/amazonaws/services/migrationhubstrategyrecommendations/model/ListServersRequest.java