import "color.proto"; message ServerInfo_Arrow { optional sint32 id = 1; optional sint32 start_player_id = 2; optional string start_zone = 3; optional sint32 start_card_id = 4; optional sint32 target_player_id = 5; optional string target_zone = 6; optional sint32 target_card_id = 7; optional color arrow_color = 8; }