://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html#containsValue(java.lang.Object)" title="class or interface in java.util" class="external-link">containsValue</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html#entrySet()" title="class or interface in java.util" class="external-link">entrySet</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html#equals(java.lang.Object)" title="class or interface in ja