Add decompiled APK source code (JADX)

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Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

decompiled/sources/com/google/common/base/Optional.java

@@ -0,0 +1,20 @@
+package com.google.common.base;
+
+import java.io.Serializable;
+
+/* loaded from: classes3.dex */
+public abstract class Optional implements Serializable {
+    private static final long serialVersionUID = 0;
+
+    public abstract Object get();
+
+    public abstract boolean isPresent();
+
+    public static Optional absent() {
+        return Absent.withType();
+    }
+
+    public static Optional of(Object obj) {
+        return new Present(Preconditions.checkNotNull(obj));
+    }
+}