pub fn aside(
  attributes: List(attribute.Attribute(a)),
  spacing: types.Spacing,
  sidebar: element.Element(a),
  content: element.Element(a),
) -> element.Element(a)

pub fn collapsible() -> attribute.Attribute(a)

pub fn sidebar_end() -> attribute.Attribute(a)

pub fn sidebar_start() -> attribute.Attribute(a)

pub fn sidebar_width(value: String) -> attribute.Attribute(a)