 
 import PackageDescription
 
-var package = Package(
+let package = Package(
     name: "MongoKitten",
     products: [
         // Products define the executables and libraries produced by a package, and make them visible to other packages.

            dependencies: ["MongoKitten"]),
    ]
)

var targetDependencies: [Target.Dependency] = ["BSON", "_MongoKittenCrypto", "NIO"]

// 🔑
if #available(macOS 10.14, iOS 11, *) {
    package.dependencies.append(
        .package(url: "https://github.com/apple/swift-nio-transport-services.git", from: "0.5.1")
    )
    
    targetDependencies.append("NIOTransportServices")
} else {
    package.dependencies.append(
        .package(url: "https://github.com/apple/swift-nio-ssl.git", from: "1.1.1")
    )
    
    targetDependencies.append("NIOOpenSSL")
}

package.targets.append(
    .target(
        name: "MongoKitten",
        dependencies: targetDependencies
    )
)

        
        // 🚀
        .package(url: "https://github.com/apple/swift-nio.git", from: "1.8.0"),
        
        // 🔑
        .package(url: "https://github.com/apple/swift-nio-ssl.git", from: "1.1.1"),
    ],
    targets: [
        .target(
            name: "_MongoKittenCrypto",
            dependencies: []
        ),
        .target(
            name: "MongoKitten",
            dependencies: ["BSON", "_MongoKittenCrypto", "NIO", "NIOOpenSSL"]),
        .target(
            name: "GridFS",
            dependencies: ["BSON", "MongoKitten", "NIO"]),
