public enum NodeProcessingAction {
SELF_LINK_SET, NEW_NODE_PROCESSED, SELF_LINK_RESOLVE_ERROR, SELF_LINK_DETERMINATION_ERROR, SELF_LINK_RESOLVE_OK, SELF_LINK_RESPONSE_PARSE_ERROR, SELF_LINK_RESPONSE_PARSE_OK, NEIGHBORS_PROCESSED_ERROR, NEIGHBORS_PROCESSED_OK, COMPLEX_ATTRIBUTE_GROUP_PARSE_ERROR, COMPLEX_ATTRIBUTE_GROUP_PARSE_OK, NODE_IDENTITY_ERROR, UNEXPECTED_STATE_TRANSITION
}
+