Expression block - Gen<Expr> - 19 - (0:0,0)
    Code span - Gen<Expr> - [Foo[Bar[Baz]LFBizLF] - ImplicitExpressionEditHandler;Accepts:Any;ImplicitExpression[RTD];K14 - (0:0,0) - Tokens:9
        CSharpTokenType.Identifier;[Foo];
        CSharpTokenType.LeftBracket;[[];
        CSharpTokenType.Identifier;[Bar];
        CSharpTokenType.LeftBracket;[[];
        CSharpTokenType.Identifier;[Baz];
        CSharpTokenType.RightBracket;[]];
        CSharpTokenType.NewLine;[LF];
        CSharpTokenType.Identifier;[Biz];
        CSharpTokenType.NewLine;[LF];
