lazy entity summon(mcobject name, json data, void=>void fct)

lazy entity summon(mcobject name, json data)

lazy entity summon(mcobject name, void=>void fct)

lazy entity summon(mcobject name, string skin, void=>void fct)

lazy entity summon(mcobject name, void=>void fct)

lazy entity summon(mcobject name, string skin)

lazy entity summon(mcobject name)

lazy void kill(entity $selector)

lazy void despawn(entity e)