CHANGE_FLOOR_DOWN
CHANGE_FLOOR_DOWN: "change_floor_down"
CHANGE_FLOOR_UP
CHANGE_FLOOR_UP: "change_floor_up"
DESTINATION_PROJECTION
DESTINATION_PROJECTION: "destination_projection_to_navgraph"
ENTER_BUILDING
ENTER_BUILDING: "walk_inside"
ENTER_ELEVATOR_DOWN
ENTER_ELEVATOR_DOWN: "enter_elevator_down"
ENTER_ELEVATOR_UP
ENTER_ELEVATOR_UP: "enter_elevator_up"
ENTER_STAIRS_DOWN
ENTER_STAIRS_DOWN: "enter_stairs_down"
ENTER_STAIRS_UP
ENTER_STAIRS_UP: "enter_stairs_up"
EXIT_BUILDING
EXIT_BUILDING: "walk_outside"
EXIT_ELEVATOR
EXIT_ELEVATOR: "exit_elevator"
EXIT_STAIRS
EXIT_STAIRS: "exit_stairs"
SOURCE_PROJECTION
SOURCE_PROJECTION: "source_projection_to_navgraph"
Enum representing all possible instruction types that can be present in a route.