Expression block - Gen<Expr> - 22 - (0:0,0)
    Code span - Gen<Expr> - [Foo[Bar[Baz]LFBizLFBoz] - ImplicitExpressionEditHandler;Accepts:Any;ImplicitExpression[RTD];K14 - (0:0,0) - Symbols:10
        CSharpSymbolType.Identifier;[Foo];
        CSharpSymbolType.LeftBracket;[[];
        CSharpSymbolType.Identifier;[Bar];
        CSharpSymbolType.LeftBracket;[[];
        CSharpSymbolType.Identifier;[Baz];
        CSharpSymbolType.RightBracket;[]];
        CSharpSymbolType.NewLine;[LF];
        CSharpSymbolType.Identifier;[Biz];
        CSharpSymbolType.NewLine;[LF];
        CSharpSymbolType.Identifier;[Boz];
