Statement block - Gen<None> - 51 - (0:0,0)
    Code span - Gen<Stmt> - [do { var foo = bar; }LF// FooLF// BarLFwhile(true);] - SpanEditHandler;Accepts:None - (0:0,0) - Symbols:24
        CSharpSymbolType.Keyword;[do];
        CSharpSymbolType.WhiteSpace;[ ];
        CSharpSymbolType.LeftBrace;[{];
        CSharpSymbolType.WhiteSpace;[ ];
        CSharpSymbolType.Identifier;[var];
        CSharpSymbolType.WhiteSpace;[ ];
        CSharpSymbolType.Identifier;[foo];
        CSharpSymbolType.WhiteSpace;[ ];
        CSharpSymbolType.Assign;[=];
        CSharpSymbolType.WhiteSpace;[ ];
        CSharpSymbolType.Identifier;[bar];
        CSharpSymbolType.Semicolon;[;];
        CSharpSymbolType.WhiteSpace;[ ];
        CSharpSymbolType.RightBrace;[}];
        CSharpSymbolType.NewLine;[LF];
        CSharpSymbolType.Comment;[// Foo];
        CSharpSymbolType.NewLine;[LF];
        CSharpSymbolType.Comment;[// Bar];
        CSharpSymbolType.NewLine;[LF];
        CSharpSymbolType.Keyword;[while];
        CSharpSymbolType.LeftParenthesis;[(];
        CSharpSymbolType.Keyword;[true];
        CSharpSymbolType.RightParenthesis;[)];
        CSharpSymbolType.Semicolon;[;];
