fastjson混淆规则

-keepnames class * implements java.io.Serializable
-keep public class * implements java.io.Serializable {
   public *;
}
-keepclassmembers class * implements java.io.Serializable {
    static final long serialVersionUID;
    private static final java.io.ObjectStreamField[] serialPersistentFields;
    !static !transient <fields>;
    private void writeObject(java.io.ObjectOutputStream);
    private void readObject(java.io.ObjectInputStream);
    java.lang.Object writeReplace();
    java.lang.Object readResolve();
}

# FastJson 混淆代码
-dontwarn com.alibaba.fastjson.**
-keep class com.alibaba.fastjson.** { *; }
-keepattributes Signature
-keepattributes *Annotation*