package com.facetec.sdk;

import java.util.LinkedHashSet;
import java.util.Set;

/* loaded from: classes.dex */
public final class kv {
    private final Set<kj> e = new LinkedHashSet();

    public final void c(kj kjVar) {
        synchronized (this) {
            this.e.add(kjVar);
        }
    }

    public final void d(kj kjVar) {
        synchronized (this) {
            this.e.remove(kjVar);
        }
    }

    public final boolean a(kj kjVar) {
        boolean contains;
        synchronized (this) {
            contains = this.e.contains(kjVar);
        }
        return contains;
    }
}