--- /dev/null
+/* Licensed under LGPLv2+ - see LICENSE file for details */
+#ifndef CCAN_AGA_PRIVATE_H
+#define CCAN_AGA_PRIVATE_H
+
+int aga_start(struct aga_graph *g);
+bool aga_update_node(const struct aga_graph *g, struct aga_node *node);
+bool aga_check_state(const struct aga_graph *g);
+void aga_fail(struct aga_graph *g, int error);
+
+#endif /* CCAN_AGA_PRIVATE_H */