Initial import of ADIF API reverse-engineering toolkit

apk_decompiled/sources/dagger/internal/SetBuilder.java

@@ -0,0 +1,41 @@
+package dagger.internal;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Set;
+
+/* loaded from: classes3.dex */
+public final class SetBuilder<T> {
+    private static final String SET_CONTRIBUTIONS_CANNOT_BE_NULL = "Set contributions cannot be null";
+    private final List<T> contributions;
+
+    private SetBuilder(int i) {
+        this.contributions = new ArrayList(i);
+    }
+
+    public static <T> SetBuilder<T> newSetBuilder(int i) {
+        return new SetBuilder<>(i);
+    }
+
+    public SetBuilder<T> add(T t2) {
+        this.contributions.add(Preconditions.checkNotNull(t2, SET_CONTRIBUTIONS_CANNOT_BE_NULL));
+        return this;
+    }
+
+    public SetBuilder<T> addAll(Collection<? extends T> collection) {
+        Iterator<? extends T> it = collection.iterator();
+        while (it.hasNext()) {
+            Preconditions.checkNotNull(it.next(), SET_CONTRIBUTIONS_CANNOT_BE_NULL);
+        }
+        this.contributions.addAll(collection);
+        return this;
+    }
+
+    public Set<T> build() {
+        return this.contributions.isEmpty() ? Collections.EMPTY_SET : this.contributions.size() == 1 ? Collections.singleton(this.contributions.get(0)) : Collections.unmodifiableSet(new HashSet(this.contributions));
+    }
+}