+#include "string-list.h"
+
+struct child_process;
+struct oid_array;
+struct ref;
+
+/* Possible values for push_cert field in send_pack_args. */
+#define SEND_PACK_PUSH_CERT_NEVER 0
+#define SEND_PACK_PUSH_CERT_IF_ASKED 1
+#define SEND_PACK_PUSH_CERT_ALWAYS 2
+