• ICTTelephonyNetworkInfoDelegate
    namespace CoreTelephony
    {
        [Introduced(ObjCRuntime.PlatformName.iOS, 13, 0, ObjCRuntime.PlatformArchitecture.All, null)]
        [Protocol(Name = "CTTelephonyNetworkInfoDelegate", WrapperType = typeof(CTTelephonyNetworkInfoDelegateWrapper))]
        [ProtocolMember(IsProperty = false, IsRequired = false, IsStatic = false, Name = "DataServiceIdentifierDidChange", ParameterByRef = {false}, ParameterType = {typeof(string)}, Selector = "dataServiceIdentifierDidChange:")]
        public interface ICTTelephonyNetworkInfoDelegate : INativeObject, IDisposable
    }
    
    Assembly Xamarin.iOS , Version=0.0.0.0, PublicKeyToken=84e04ff9cfb79065
    .NET 6.0-ios
    Xamarin iOS 0.0

    09/25/2021
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