feat(aa): a Constraint and Kind method to the Rule interface.

pkg/aa/rules.go

@@ -16,11 +16,21 @@ const (
 	tokDENY  = "deny"
 )
 
+type constraint uint
+
+const (
+	anyKind      constraint = iota // The rule can be found in either preamble or profile
+	preambleKind                   // The rule can only be found in the preamble
+	blockKind                      // The rule can only be found in a profile
+)
+
 // Rule generic interface for all AppArmor rules
 type Rule interface {
 	Less(other any) bool
 	Equals(other any) bool
 	String() string
+	Constraint() constraint
+	Kind() string
 }
 
 type Rules []Rule