Type Alias Expression

Expression:
    | Algebra.AggregateExpression
    | Algebra.GroupConcatExpression
    | Algebra.ExistenceExpression
    | Algebra.NamedExpression
    | Algebra.OperatorExpression
    | Algebra.TermExpression
    | Algebra.WildcardExpression
    | Algebra.BoundAggregate

Union type of all known SPARQL 1.1 expression operations.