# Get a `MKind` from its string representation.
	private fun to_kind(kind: String): MClassKind do
		if kind == abstract_kind.to_s then
			return abstract_kind
		else if kind == concrete_kind.to_s then
			return concrete_kind
		else if kind == interface_kind.to_s then
			return interface_kind
		else if kind == enum_kind.to_s then
			return enum_kind
		else if kind == extern_kind.to_s then
			return extern_kind
		else
			return raw_kind(kind)
		end
	end