Code changes for VOL-3928 Voltctl support to list flow groups

Change-Id: I4e374a0c837511f41bed25937f70c5781133debf
diff --git a/internal/pkg/commands/command.go b/internal/pkg/commands/command.go
index ec9318c..8cefc14 100644
--- a/internal/pkg/commands/command.go
+++ b/internal/pkg/commands/command.go
@@ -114,6 +114,9 @@
 	HexId bool `short:"x" long:"hex-id" description:"Output Ids in hex format"`
 }
 
+type GroupListOptions struct {
+	Bucket bool `short:"b" long:"buckets" description:"Display Buckets"`
+}
 type ListOutputOptions struct {
 	OutputOptions
 	Filter  string `short:"f" long:"filter" default:"" value-name:"FILTER" description:"Only display results that match filter"`