• AP_HUMAN_RESPONSE : factory
• AP_HUMAN_WAITING : factory
• AP_ROBOT_RESPONSE : factory
• AP_ROBOT_WAITING : factory
• AP_START : factory
• BC_HUMAN_FLOOR : factory
• BC_ROBOT_FLOOR : factory
• BC_START : factory
• DG_HUMAN_DIRECTING : factory
• DG_ROBOT_DIRECTING : factory
• DG_SHARED_GAZE : factory
• DG_START : factory
• HUMAN : initiator
• INVALID_STATE : factory
• MFG_HUMAN_WAITING : factory
• MFG_MUTUAL_FACIAL_GAZE : factory
• MFG_ROBOT_WAITING : factory
• MFG_START : factory
• NO_INIT : initiator
• ROBOT : initiator