--- /dev/null
+/*
+ * Copyright (C) 2020 - EfficiOS, inc.
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License, version 2.1 only,
+ * as published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef LTTNG_DOMAIN_INTERNAL_H
+#define LTTNG_DOMAIN_INTERNAL_H
+
+#include "lttng/domain.h"
+#include "common/macros.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+LTTNG_HIDDEN
+const char *lttng_domain_type_str(enum lttng_domain_type domain_type);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LTTNG_DOMAIN_INTERNAL_H */