typedef struct bt_component_class_sink bt_component_class_sink;
typedef struct bt_component_class_source bt_component_class_source;
typedef struct bt_component_filter bt_component_filter;
-typedef struct bt_component_graph bt_component_graph;
typedef struct bt_component_sink bt_component_sink;
typedef struct bt_component_source bt_component_source;
typedef struct bt_connection bt_connection;
typedef struct bt_field_class_structure_member bt_field_class_structure_member;
typedef struct bt_field_class_variant_option bt_field_class_variant_option;
typedef struct bt_field_path bt_field_path;
+typedef struct bt_field_path_item bt_field_path_item;
typedef struct bt_graph bt_graph;
typedef struct bt_message bt_message;
typedef struct bt_message_iterator bt_message_iterator;