package kotlin.collections;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import kotlin.Metadata;
import kotlin.Pair;
import kotlin.PublishedApi;
import kotlin.TuplesKt;
import kotlin.internal.InlineOnly;
import kotlin.jvm.functions.Function0;
import kotlin.jvm.internal.Intrinsics;

/* JADX INFO: Access modifiers changed from: package-private */
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/* loaded from: classes3.dex */
public class CollectionsKt__IterablesKt extends CollectionsKt__CollectionsKt {
    @InlineOnly
    private static final <T> Iterable<T> Iterable(Function0<? extends Iterator<? extends T>> iterator) {
        Intrinsics.checkNotNullParameter(iterator, "iterator");
        return new CollectionsKt__IterablesKt$Iterable$1(iterator);
    }

    @PublishedApi
    public static <T> int collectionSizeOrDefault(Iterable<? extends T> iterable, int i) {
        Intrinsics.checkNotNullParameter(iterable, "<this>");
        return iterable instanceof Collection ? ((Collection) iterable).size() : i;
    }

    @PublishedApi
    public static final <T> Integer collectionSizeOrNull(Iterable<? extends T> iterable) {
        Intrinsics.checkNotNullParameter(iterable, "<this>");
        if (iterable instanceof Collection) {
            return Integer.valueOf(((Collection) iterable).size());
        }
        return null;
    }

    public static <T> List<T> flatten(Iterable<? extends Iterable<? extends T>> iterable) {
        Intrinsics.checkNotNullParameter(iterable, "<this>");
        ArrayList arrayList = new ArrayList();
        Iterator<? extends Iterable<? extends T>> it = iterable.iterator();
        while (it.hasNext()) {
            CollectionsKt__MutableCollectionsKt.addAll(arrayList, it.next());
        }
        return arrayList;
    }

    public static final <T, R> Pair<List<T>, List<R>> unzip(Iterable<? extends Pair<? extends T, ? extends R>> iterable) {
        Intrinsics.checkNotNullParameter(iterable, "<this>");
        int collectionSizeOrDefault = collectionSizeOrDefault(iterable, 10);
        ArrayList arrayList = new ArrayList(collectionSizeOrDefault);
        ArrayList arrayList2 = new ArrayList(collectionSizeOrDefault);
        for (Pair<? extends T, ? extends R> pair : iterable) {
            arrayList.add(pair.getFirst());
            arrayList2.add(pair.getSecond());
        }
        return TuplesKt.to(arrayList, arrayList2);
    }
}
