let package = Package(
    …
    dependencies: [
        .package(url: "[email protected]:GodL/SafeDecoder.git", from: "1.0.0"),
    ],
    targets: [
        .target(name: "YourTarget", dependencies: ["SafeDecoder", …])
        …
    ]
)

let model: Data1 = try SafeDecoder().decode(Data1.self, from: try encode(testData))

struct CustomConfiguration: SafeConfigurationType {
    static var configuration: SafeDecoder.Configuration {
        var configuration: SafeDecoder.Configuration = .default
        configuration.register([Data1.Epidemic].self, value: [.init(title: "aaa", num: 20, routeUri: "test://url")])
        return configuration
    }
}
let model: Data1 = try SafeDecoder().decode(Data1.self, CustomConfiguration.self, from: try encode(testData))