targetref

type UserAccessor interface {
	// EnsureUser adds the user to the object if it is not already present.
	// Returns true if the user was added.
	// Uses the prefix where applicable.
	EnsureUser(prefix, user string) (added bool)
	// HasUser returns true if the user is present in the object.
	// Uses the prefix where applicable.
	HasUser(prefix, user string) bool
}