public interface UpdateAllConfigurationGroupsMarker
This interface is implemented by gfsh commands that can potentially update the configuration for
all groups (including the cluster-wide group, "cluster").
If the command implements UpdateAllConfigurationGroupsMarker, CommandExecutor builds the list of
groups that will be updated to include all groups (including the "cluster" group). Otherwise,
the list of groups are those specified with a command --group option, or "cluster"
if there * is no --group option.