+typedef const char* AT_graphxml_edge_source;
+#define AU_graphxml_edge_source NULL
+typedef const char* AT_graphxml_node_position_y;
+#define AU_graphxml_node_position_y NULL
+typedef const char* AT_graphxml_node_position_x;
+#define AU_graphxml_node_position_x NULL
+typedef const char* AT_graphxml_edge_data;
+#define AU_graphxml_edge_data NULL
+typedef const char* AT_graphxml_edge_target;
+#define AU_graphxml_edge_target NULL
+typedef enum { AU_graphxml_graph_isDirected, A_graphxml_graph_isDirected_true,A_graphxml_graph_isDirected_false } AT_graphxml_graph_isDirected;