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diff --git a/include/babeltrace/trace-ir/stream-class-internal.h b/include/babeltrace/trace-ir/stream-class-internal.h
new file mode 100644
index 00000000..f3f8a626
--- /dev/null
+++ b/include/babeltrace/trace-ir/stream-class-internal.h
@@ -0,0 +1,92 @@
+#ifndef BABELTRACE_TRACE_IR_STREAM_CLASS_INTERNAL_H
+#define BABELTRACE_TRACE_IR_STREAM_CLASS_INTERNAL_H
+
+/*
+ * BabelTrace - Trace IR: Stream class internal
+ *
+ * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Author: 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 <babeltrace/assert-internal.h>
+#include <babeltrace/common-internal.h>
+#include <babeltrace/trace-ir/field-types-internal.h>
+#include <babeltrace/trace-ir/utils-internal.h>
+#include <babeltrace/trace-ir/stream-class.h>
+#include <babeltrace/object-internal.h>
+#include <babeltrace/object-pool-internal.h>
+#include <babeltrace/babeltrace-internal.h>
+#include <glib.h>
+#include <inttypes.h>
+
+struct bt_stream_class {
+	struct bt_object base;
+
+	struct {
+		GString *str;
+
+		/* NULL or `str->str` above */
+		const char *value;
+	} name;
+
+	uint64_t id;
+	bool assigns_automatic_event_class_id;
+	bool assigns_automatic_stream_id;
+	bool packets_have_discarded_event_counter_snapshot;
+	bool packets_have_packet_counter_snapshot;
+	bool packets_have_default_beginning_cv;
+	bool packets_have_default_end_cv;
+	struct bt_field_type *packet_context_ft;
+	struct bt_field_type *event_header_ft;
+	struct bt_field_type *event_common_context_ft;
+	struct bt_clock_class *default_clock_class;
+
+	/* Array of `struct bt_event_class *` */
+	GPtrArray *event_classes;
+
+	/* Pool of `struct bt_field_wrapper *` */
+	struct bt_object_pool event_header_field_pool;
+
+	/* Pool of `struct bt_field_wrapper *` */
+	struct bt_object_pool packet_context_field_pool;
+
+	bool frozen;
+};
+
+BT_HIDDEN
+void _bt_stream_class_freeze(struct bt_stream_class *stream_class);
+
+#ifdef BT_DEV_MODE
+# define bt_stream_class_freeze		_bt_stream_class_freeze
+#else
+# define bt_stream_class_freeze(_sc)
+#endif
+
+static inline
+struct bt_trace *bt_stream_class_borrow_trace_inline(
+		struct bt_stream_class *stream_class)
+{
+	BT_ASSERT(stream_class);
+	return (void *) bt_object_borrow_parent(&stream_class->base);
+}
+
+#endif /* BABELTRACE_TRACE_IR_STREAM_CLASS_INTERNAL_H */