pub fn asset_item(
  attributes: List(attribute.Attribute(message)),
  children: List(element.Element(message)),
) -> element.Element(message)

pub fn entity(
  attributes: List(attribute.Attribute(message)),
  children: List(element.Element(message)),
) -> element.Element(message)

pub fn mixin(
  attributes: List(attribute.Attribute(message)),
  children: List(element.Element(message)),
) -> element.Element(message)

pub fn scene(
  attributes: List(attribute.Attribute(message)),
  children: List(element.Element(message)),
) -> element.Element(message)