Statement block - Gen<None> - 9 - (0:0,0)
    MetaCode span - Gen<None> - [{] - SpanEditHandler;Accepts:None - (0:0,0) - Tokens:1
        SyntaxKind.LeftBrace;[{];
    Code span - Gen<Stmt> - [] - AutoCompleteEditHandler;Accepts:Any,AutoComplete:[<null>];AtEOL - (1:0,1) - Tokens:1
        SyntaxKind.Unknown;[];
    Expression block - Gen<Expr> - 5 - (1:0,1)
        Transition span - Gen<None> - [@] - SpanEditHandler;Accepts:None - (1:0,1) - Tokens:1
            SyntaxKind.Transition;[@];
        Code span - Gen<Expr> - [foo.] - ImplicitExpressionEditHandler;Accepts:NonWhitespace;ImplicitExpression[ATD];K14 - (2:0,2) - Tokens:2
            SyntaxKind.Identifier;[foo];
            SyntaxKind.Dot;[.];
    Code span - Gen<Stmt> - [LF] - SpanEditHandler;Accepts:Any - (6:0,6) - Tokens:1
        SyntaxKind.NewLine;[LF];
    MetaCode span - Gen<None> - [}] - SpanEditHandler;Accepts:None - (8:1,0) - Tokens:1
        SyntaxKind.RightBrace;[}];
