package com.mbridge.msdk.mbnative.a;

import com.mbridge.msdk.out.Campaign;

/* loaded from: classes4.dex */
public abstract class b<K, V> {
    public V a(K k, int i) {
        return null;
    }

    public abstract void a(K k, V v);

    public abstract void a(K k, V v, String str);

    public abstract void a(String str, Campaign campaign, String str2);

    public abstract V b(K k, int i);
}