+/*
+ * bt_ctf_event_class_set_attribute: sets an attribute to the event
+ * class.
+ *
+ * Sets an attribute to the event class. The name parameter is copied,
+ * whereas the value parameter's reference count is incremented
+ * (if the function succeeds).
+ *
+ * If an attribute exists in the event class for the specified name, it
+ * is replaced by the new value.
+ *
+ * Valid attributes and object types are:
+ *
+ * - "id": integer object with a value >= 0
+ * - "name": string object
+ * - "loglevel": integer object with a value >= 0
+ * - "model.emf.uri": string object
+ *
+ * @param event_class Event class.
+ * @param name Name of the attribute (will be copied).
+ * @param value Value of the attribute.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_event_class_set_attribute(
+ struct bt_ctf_event_class *event_class, const char *name,
+ struct bt_value *value);
+
+/*
+ * bt_ctf_event_class_get_attribute_count: get the number of attributes
+ * in this event class.
+ *
+ * Get the event class' attribute count.
+ *
+ * @param event_class Event class.
+ *
+ * Returns the attribute count, a negative value on error.
+ */
+extern int bt_ctf_event_class_get_attribute_count(
+ struct bt_ctf_event_class *event_class);
+
+/*
+ * bt_ctf_event_class_get_attribute_name: get attribute name.
+ *
+ * Get an attribute's name. The string's ownership is not
+ * transferred to the caller. The string data is valid as long as
+ * this event class' attributes are not modified.
+ *
+ * @param event_class Event class.
+ * @param index Index of the attribute.
+ *
+ * Returns the attribute's name, NULL on error.
+ */
+extern const char *
+bt_ctf_event_class_get_attribute_name(
+ struct bt_ctf_event_class *event_class, int index);
+
+/*
+ * bt_ctf_event_class_get_attribute_value: get attribute value (an object).
+ *
+ * Get an attribute's value (an object). The returned object's
+ * reference count is incremented. When done with the object, the caller
+ * must call bt_value_put() on it.
+ *
+ * @param event_class Event class.
+ * @param index Index of the attribute.
+ *
+ * Returns the attribute's object value, NULL on error.
+ */
+extern struct bt_value *
+bt_ctf_event_class_get_attribute_value(struct bt_ctf_event_class *event_class,
+ int index);
+
+/*
+ * bt_ctf_event_class_get_attribute_value_by_name: get attribute
+ * value (an object) by name.
+ *
+ * Get an attribute's value (an object) by its name. The returned object's
+ * reference count is incremented. When done with the object, the caller
+ * must call bt_value_put() on it.
+ *
+ * @param event_class Event class.
+ * @param name Attribute's name
+ *
+ * Returns the attribute's object value, NULL on error.
+ */
+extern struct bt_value *
+bt_ctf_event_class_get_attribute_value_by_name(
+ struct bt_ctf_event_class *event_class, const char *name);
+