src/vs/workbench/services/keybinding/common/macLinuxKeyboardMapper.ts/KeyCodeCombo/constructor
class KeyCodeCombo:	constructor(ctrlKey: boolean, shiftKey: boolean, altKey: boolean, keyCode: KeyCode) {
		this.ctrlKey = ctrlKey;
		this.shiftKey = shiftKey;
		this.altKey = altKey;
		this.keyCode = keyCode;
	}