升级框架版本

Assets/Scripts/NBC~/Runtime/Plugins~/Protobuf-net/ProtoMapAttribute.cs

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+using System;
+
+namespace ProtoBuf
+{
+    /// <summary>
+    /// Controls the formatting of elements in a dictionary, and indicates that
+    /// "map" rules should be used: duplicates *replace* earlier values, rather
+    /// than throwing an exception
+    /// </summary>
+    [AttributeUsage(AttributeTargets.Property | AttributeTargets.Field)]
+    public class ProtoMapAttribute : Attribute
+    {
+        /// <summary>
+        /// Describes the data-format used to store the key
+        /// </summary>
+        public DataFormat KeyFormat { get; set; }
+        /// <summary>
+        /// Describes the data-format used to store the value
+        /// </summary>
+        public DataFormat ValueFormat { get; set; }
+
+        /// <summary>
+        /// Disables "map" handling; dictionaries will use ".Add(key,value)" instead of  "[key] = value",
+        /// which means duplicate keys will cause an exception (instead of retaining the final value); if
+        /// a proto schema is emitted, it will be produced using "repeated" instead of "map"
+        /// </summary>
+        public bool DisableMap { get; set; }
+    }
+}