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C# bindings, the keys are likely to be:
Ctrl + K + D (Entire document)
Ctrl + K + F (Selection only)
OR
C# keyboard mapping scheme, which will use these hotkeys by default:
Ctrl+E, Ctrl+D to format the entire document.
Ctrl+E, Ctrl+F to format the selection.
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int a = 1;
int b = 2;
Console.Writeline("{0}{1}", a, b);
Console.Writeline($"A: {a} B: {b}");