src/vs/base/common/keybindings.ts/createKeybinding
export function createKeybinding(keybinding: number, OS: OperatingSystem): Keybinding | null {
	if (keybinding === 0) {
		return null;
	}
	const firstPart = (keybinding & 0x0000FFFF) >>> 0;
	const chordPart = (keybinding & 0xFFFF0000) >>> 16;
	if (chordPart !== 0) {
		return new ChordKeybinding([
			createSimpleKeybinding(firstPart, OS),
			createSimpleKeybinding(chordPart, OS)
		]);
	}
	return new ChordKeybinding([createSimpleKeybinding(firstPart, OS)]);
}