src/vs/workbench/services/keybinding/common/macLinuxKeyboardMapper.ts/ScanCodeKeyCodeMapper/_encodeKeyCodeCombo
class ScanCodeKeyCodeMapper:	private _encodeKeyCodeCombo(keyCodeCombo: KeyCodeCombo): number {
		return this._encode(keyCodeCombo.ctrlKey, keyCodeCombo.shiftKey, keyCodeCombo.altKey, keyCodeCombo.keyCode);
	}