Launch an application silently on macOS

silent.swift

var silentConfiguration: NSWorkspace.OpenConfiguration {
    let configuration = NSWorkspace.OpenConfiguration()
    configuration.perform(
        "_setAdditionalLSOpenOptions:",
        with: [
            "_kLSOpenOptionUIElementLaunchKey": 1,
            "_kLSOpenOptionWaitForApplicationToCheckInKey": 0,
        ])
    configuration.activates = false  // Don't activate the app
    configuration.hides = true  // Hide the app on launch
    configuration.addsToRecentItems = false  // Don't add the app to recents
    configuration.createsNewApplicationInstance = true  // Try to create a new instance of the app
    return configuration
}
try await NSWorkspace.shared.open(
    [
        URL(string: "https://www.youtube.com/watch?v=dQw4w9WgXcQ")!,
    ],
    withApplicationAt: URL(fileURLWithPath: "/Applications/Safari.app"),
    configuration: silentConfiguration
)