package androidx.constraintlayout.widget;

import java.lang.ref.WeakReference;
import java.util.HashMap;
import java.util.HashSet;

/* JADX INFO: loaded from: classes.dex */
public class l {
    public HashMap a;

    public interface a {
    }

    public final void a(int i, a aVar) {
        HashMap map = this.a;
        HashSet hashSet = (HashSet) map.get(Integer.valueOf(i));
        if (hashSet == null) {
            hashSet = new HashSet();
            map.put(Integer.valueOf(i), hashSet);
        }
        hashSet.add(new WeakReference(aVar));
    }
}