utils

type KeySet interface {
	// String return human-readable string representation of the key-set.
	String() string

	// Iterate exposes the set of keys as slice which can be iterated through.
	// The returned slice should not be modified.
	Iterate() []string

	// Length returns the number of keys in the set.
	Length() int

	// Equals compares this set with <set2> for equality.
	Equals(set2 KeySet) bool

	// Has returns true if the given key is in the set.
	Has(key string) bool

	// Add adds key into the set.
	Add(key string) (changed bool)

	// Del removes key from the set.
	Del(key string) (changed bool)

	// Subtract removes keys from this set which are also in <ks2>.
	Subtract(ks2 KeySet) (changed bool)

	// Intersect removes keys from this set which are not in <ks2>.
	Intersect(ks2 KeySet) (changed bool)

	// CopyOnWrite returns first a shallow copy of the key set, which gets
	// deep-copied when it is about to get modified.
	CopyOnWrite() KeySet
}

type ProtoWithName struct {
	ProtoMsgName string
	ProtoMsgData string
}

type RecordedProtoMessage struct {
	proto.Message
	ProtoMsgName string
}