mark methods as @JsonIgnore to avoid Jackson serializing them

AndroidCompat/src/main/java/androidx/preference/MultiSelectListPreference.java

@@ -8,24 +8,31 @@ package androidx.preference;
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
 import android.content.Context;
+import com.fasterxml.jackson.annotation.JsonIgnore;
 
 import java.util.Set;
 
 public class MultiSelectListPreference extends DialogPreference {
+    // Note: remove @JsonIgnore and implement methods if any extension ever uses these methods or the variables behind them
 
     public MultiSelectListPreference(Context context) { super(context); }
 
+    @JsonIgnore
     public void setEntries(CharSequence[] entries) { throw new RuntimeException("Stub!"); }
 
-
+    @JsonIgnore
     public CharSequence[] getEntries() { throw new RuntimeException("Stub!"); }
 
+    @JsonIgnore
     public void setEntryValues(CharSequence[] entryValues) { throw new RuntimeException("Stub!"); }
 
+    @JsonIgnore
     public CharSequence[] getEntryValues() { throw new RuntimeException("Stub!"); }
 
+    @JsonIgnore
     public void setValues(Set<String> values) { throw new RuntimeException("Stub!"); }
 
+    @JsonIgnore
     public Set<String> getValues() { throw new RuntimeException("Stub!"); }
 
     public int findIndexOfValue(String value) { throw new RuntimeException("Stub!"); }