paulk-asert commented on code in PR #665:
URL:
https://github.com/apache/commons-collections/pull/665#discussion_r2616558801
##########
src/main/java/org/apache/commons/collections4/MultiValuedMap.java:
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@@ -140,6 +140,16 @@ public interface MultiValuedMap<K, V> {
*/
Collection<V> get(K key);
+ /**
+ * Returns the inverse of this MultiValuedMap. The inverse has a
value-to-key mapping
+ * for each key-to-value mapping in the original.
+ *
+ * @return the inverse MultiValuedMap
+ */
+ default MultiValuedMap<V, K> inverse() {
Review Comment:
changed
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