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diff --git a/include/babeltrace/graph/component-sink-internal.h b/include/babeltrace/graph/component-sink-internal.h
new file mode 100644
index 00000000..84c37f2a
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+++ b/include/babeltrace/graph/component-sink-internal.h
@@ -0,0 +1,77 @@
+#ifndef BABELTRACE_COMPONENT_SINK_INTERNAL_H
+#define BABELTRACE_COMPONENT_SINK_INTERNAL_H
+
+/*
+ * BabelTrace - Sink Component internal
+ *
+ * Copyright 2015 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/babeltrace-internal.h>
+#include <babeltrace/graph/component-sink.h>
+#include <babeltrace/graph/component-internal.h>
+#include <babeltrace/graph/component-class-internal.h>
+
+struct bt_value;
+
+//typedef uint32_t notification_mask_t;
+
+struct bt_component_sink {
+	struct bt_component parent;
+};
+
+/**
+ * Allocate a sink component.
+ *
+ * @param class			Component class
+ * @param params		A dictionary of component parameters
+ * @returns			A sink component instance
+ */
+BT_HIDDEN
+struct bt_component *bt_component_sink_create(
+		struct bt_component_class *class, struct bt_value *params);
+
+BT_HIDDEN
+void bt_component_sink_destroy(struct bt_component *component);
+
+/**
+ * Validate a sink component.
+ *
+ * @param component		Sink component instance to validate
+ * @returns			One of #bt_component_status
+ */
+BT_HIDDEN
+enum bt_component_status bt_component_sink_validate(
+		struct bt_component *component);
+
+/**
+ * Process one event, consuming from sources as needed.
+ *
+ * @param component	Component instance
+ * @returns		One of #bt_component_status values
+ */
+BT_HIDDEN
+enum bt_component_status bt_component_sink_consume(
+		struct bt_component *component);
+
+#endif /* BABELTRACE_COMPONENT_SINK_INTERNAL_H */