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> - [ List< ] - AutoCompleteEditHandler;Accepts:Any,AutoComplete:[<null>];AtEOL - (1:0,1) - Tokens:4
        SyntaxKind.Whitespace;[ ];
        SyntaxKind.Identifier;[List];
        SyntaxKind.LessThan;[<];
        SyntaxKind.Whitespace;[ ];
    MetaCode span - Gen<None> - [}] - SpanEditHandler;Accepts:None - (8:0,8) - Tokens:1
        SyntaxKind.RightBrace;[}];
