src/vs/workbench/services/keybinding/common/windowsKeyboardMapper.ts/WindowsNativeResolvedKeybinding/getProducedCharCode
class WindowsNativeResolvedKeybinding:	private static getProducedCharCode(kb: ScanCodeBinding, mapping: IScanCodeMapping): string | null {
		if (!mapping) {
			return null;
		}
		if (kb.ctrlKey && kb.shiftKey && kb.altKey) {
			return mapping.withShiftAltGr;
		}
		if (kb.ctrlKey && kb.altKey) {
			return mapping.withAltGr;
		}
		if (kb.shiftKey) {
			return mapping.withShift;
		}
		return mapping.value;
	}