Serialization.as

    package UnityEngine.Serialization {
    
        class ActionScriptDeserializer {
            public static function Deserialize(instance: IDeserializable, buffer: ByteArray, offset: int): int {
                var reader = new SerializedStateReader(buffer, offset);
                instance.Deserialize(reader);
                return reader.offset;
            }
        }
        
        interface IDeserializable {
            function Deserialize(state: SerializedStateReader): void
        }
        
        class SerializedStateReader {
            public function ReadFloat(): Number {
                return ...
            }
            
            public function ReadInt(): int {
                return ...
            }
        }
    }
    
    class Foo extends MonoBehaviour implements IDeserializable {
        public var i : int;
        
        function Deserialize(reader: SerializedStateReader) {
            i = reader.ReadInt();   
        }
    }