let xcassets: XCAssets = try! XCAssets(fileURL: URL(fileURLWithPath: "path/to/file.xcassets"))

    let contents: XCAssetsContents = xcassets.contents // Decode Contents.json
    let assets: [Assets] = xcassets.assets // Decode Assets
    
    if case .imageSet(let imageSet) == assets[0] {
        print(imageSet.fileName) // image_png
        print(imageSet.contents.images.count) // 3

        print(imageSet.contents.images[0].filename) // Optional("Artboard.png")
        print(imageSet.contents.images[0].scale) // Optional("1x")

        print(imageSet.contents.images[1].filename) // Optional("Artboard@2x.png")
        print(imageSet.contents.images[1].scale) // Optional("2x")

        print(imageSet.contents.images[2].filename) // Optional("Artboard@3x.png")
        print(imageSet.contents.images[2].scale) // Optional("3x")
    }