package kotlin.collections.builders;

import java.util.Collection;
import java.util.Iterator;
import java.util.Set;
import kotlin.collections.AbstractMutableSet;
import kotlin.jvm.internal.Intrinsics;
import kotlin.jvm.internal.markers.KMutableSet;

/* loaded from: classes5.dex */
public final class MapBuilderKeys extends AbstractMutableSet implements Set, KMutableSet {
    public final MapBuilder backing;

    public MapBuilderKeys(MapBuilder backing) {
        Intrinsics.checkNotNullParameter(backing, "backing");
        this.backing = backing;
    }

    @Override // kotlin.collections.AbstractMutableSet
    public int getSize() {
        return this.backing.size();
    }

    @Override // java.util.AbstractCollection, java.util.Collection, java.util.Set
    public boolean isEmpty() {
        return this.backing.isEmpty();
    }

    @Override // java.util.AbstractCollection, java.util.Collection, java.util.Set
    public boolean contains(Object obj) {
        return this.backing.containsKey(obj);
    }

    @Override // java.util.AbstractCollection, java.util.Collection, java.util.Set
    public void clear() {
        this.backing.clear();
    }

    @Override // java.util.AbstractCollection, java.util.Collection, java.util.Set
    public boolean add(Object obj) {
        throw new UnsupportedOperationException();
    }

    @Override // java.util.AbstractCollection, java.util.Collection, java.util.Set
    public boolean addAll(Collection elements) {
        Intrinsics.checkNotNullParameter(elements, "elements");
        throw new UnsupportedOperationException();
    }

    @Override // java.util.AbstractCollection, java.util.Collection, java.util.Set
    public boolean remove(Object obj) {
        return this.backing.removeKey$kotlin_stdlib(obj) >= 0;
    }

    @Override // java.util.AbstractCollection, java.util.Collection, java.lang.Iterable, java.util.Set
    public Iterator iterator() {
        return this.backing.keysIterator$kotlin_stdlib();
    }

    @Override // java.util.AbstractSet, java.util.AbstractCollection, java.util.Collection, java.util.Set
    public boolean removeAll(Collection elements) {
        Intrinsics.checkNotNullParameter(elements, "elements");
        this.backing.checkIsMutable$kotlin_stdlib();
        return super.removeAll(elements);
    }

    @Override // java.util.AbstractCollection, java.util.Collection, java.util.Set
    public boolean retainAll(Collection elements) {
        Intrinsics.checkNotNullParameter(elements, "elements");
        this.backing.checkIsMutable$kotlin_stdlib();
        return super.retainAll(elements);
    }
}