--- /dev/null
+#ifndef BABELTRACE_TRACE_IR_TRACE_INTERNAL_H
+#define BABELTRACE_TRACE_IR_TRACE_INTERNAL_H
+
+/*
+ * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
+ * Copyright 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "lib/assert-pre.h"
+#include <babeltrace2/trace-ir/trace.h>
+#include <babeltrace2/trace-ir/field-class.h>
+#include <babeltrace2/trace-ir/field.h>
+#include "lib/object.h"
+#include "lib/object-pool.h"
+#include "common/babeltrace.h"
+#include <babeltrace2/value.h>
+#include <babeltrace2/types.h>
+#include <glib.h>
+#include <sys/types.h>
+#include "compat/uuid.h"
+
+#include "attributes.h"
+#include "clock-class.h"
+#include "stream-class.h"
+#include "trace-class.h"
+
+struct bt_trace {
+ struct bt_object base;
+
+ /* Owned by this */
+ struct bt_trace_class *class;
+
+ struct {
+ GString *str;
+
+ /* NULL or `str->str` above */
+ const char *value;
+ } name;
+
+ /* Array of `struct bt_stream *` */
+ GPtrArray *streams;
+
+ /*
+ * Stream class (weak, owned by owned trace class) to number of
+ * instantiated streams, used to automatically assign stream IDs
+ * per stream class within this trace.
+ */
+ GHashTable *stream_classes_stream_count;
+
+ GArray *destruction_listeners;
+ bool frozen;
+};
+
+BT_HIDDEN
+void _bt_trace_freeze(const struct bt_trace *trace);
+
+#ifdef BT_DEV_MODE
+# define bt_trace_freeze _bt_trace_freeze
+#else
+# define bt_trace_freeze(_trace)
+#endif
+
+BT_HIDDEN
+void bt_trace_add_stream(struct bt_trace *trace, struct bt_stream *stream);
+
+BT_HIDDEN
+uint64_t bt_trace_get_automatic_stream_id(const struct bt_trace *trace,
+ const struct bt_stream_class *stream_class);
+
+#endif /* BABELTRACE_TRACE_IR_TRACE_INTERNAL_H */