namespace System.Runtime.Serialization.Json
{
    public sealed class DataContractJsonSerializer : XmlObjectSerializer
    {
        [RequiresDynamicCode("Data Contract Serialization and Deserialization might require types that cannot be statically analyzed.")]
        [RequiresUnreferencedCode("Data Contract Serialization and Deserialization might require types that cannot be statically analyzed. Make sure all of the required types are preserved.")]
        public override void WriteStartObject(XmlDictionaryWriter! writer, object? graph);
    }
}