override fun loadAllOwnIdentities() = emptySet<OwnIdentity>()
override fun loadTrustedIdentities(ownIdentity: OwnIdentity, context: String?) = emptySet<Identity>()
+ override fun loadAllIdentities(ownIdentity: OwnIdentity, context: String?) = emptySet<Identity>()
override fun addContext(ownIdentity: OwnIdentity, context: String) = Unit
override fun removeContext(ownIdentity: OwnIdentity, context: String) = Unit
override fun setProperty(ownIdentity: OwnIdentity, name: String, value: String) = Unit