An InformationItem (DMN 1.6, 7.3.4): a name with a type. It is the variable of a decision, an input data and a business
knowledge model, a parameter of a function, a column of a relation. type_ref is the name of a built-in type or of an item
definition, as Dmn.Reader normalized it (Dmn.Reader says how), or nil for no type, which is Any.
Summary
Types
@type t() :: %Dmn.Model.InformationItem{ id: String.t() | nil, label: String.t() | nil, line: pos_integer() | nil, name: String.t(), type_ref: String.t() | nil }