xternalLink">containsKey</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Map.html?is-external=true#containsValue(java.lang.Object)" title="class or interface in java.util" class="externalLink">containsValue</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Map.html?is-external=true#entrySet()" title="class or interface in java.util" class="externalLink">entrySet</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/