-- - get_owner()
-- Generic node metadata specific:
-- - set_infotext(infotext)
+-- - get_inventory() -> InvRef
-- - inventory_set_list(name, {item1, item2, ...})
-- - inventory_get_list(name)
-- - set_inventory_draw_spec(string)
-- - select_horiz_by_yawpitch=false)
-- Player-only:
-- - get_player_name(): will return nil if is not a player
+-- - get_inventory() -> InvRef
-- - inventory_set_list(name, {item1, item2, ...})
-- - inventory_get_list(name) -> {item1, item2, ...}
-- - get_look_dir(): get camera direction as a unit vector
-- ItemStack
-- - peek_item(): return item from stack without removing it
-- - take_item(): remove item from stack and return it
--- - put_item(): put item in stack; return false if not possible
--- - put_stackstring(): put stackstring in stack; return false if not possible
+-- - put_item(item): put item in stack; return false if not possible
+-- - put_stackstring(stackstring): return false if not possible
--
-- Registered entities:
-- - Functions receive a "luaentity" as self: