src/vs/base/common/keybindings.ts/SimpleKeybinding/constructor
class SimpleKeybinding:	constructor(ctrlKey: boolean, shiftKey: boolean, altKey: boolean, metaKey: boolean, keyCode: KeyCode) {
		this.ctrlKey = ctrlKey;
		this.shiftKey = shiftKey;
		this.altKey = altKey;
		this.metaKey = metaKey;
		this.keyCode = keyCode;
	}