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
override fun removeProperty(ownIdentity: OwnIdentity, name: String) = Unit
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
override fun removeProperty(ownIdentity: OwnIdentity, name: String) = Unit