typedef struct bt_self_component_port bt_self_component_port;
typedef struct bt_self_component_port_input bt_self_component_port_input;
typedef struct bt_self_component_port_input_message_iterator bt_self_component_port_input_message_iterator;
typedef struct bt_self_component_port_output bt_self_component_port_output;
typedef struct bt_self_component_sink bt_self_component_sink;
typedef struct bt_self_component_port bt_self_component_port;
typedef struct bt_self_component_port_input bt_self_component_port_input;
typedef struct bt_self_component_port_input_message_iterator bt_self_component_port_input_message_iterator;
typedef struct bt_self_component_port_output bt_self_component_port_output;
typedef struct bt_self_component_sink bt_self_component_sink;