validation MAINTENANCE enum forward declaration
#include <stdint.h>
+#include "diff.h"
#include "log.h"
struct ly_ctx;
@@ -25,8 +26,6 @@ struct lyd_node;
struct lys_module;
struct lysc_node;
-enum lyd_diff_op;
-
/**
* @brief Add information about the node's extensions having their own validation callback into an unres set.
*
