OpenRewrite recipe best practices

Use this link to re-run the recipe: https://app.moderne.io/recipes/org.openrewrite.recipes.rewrite.OpenRewriteRecipeBestPractices?organizationId=QUxML01vZGVybmUvTW9kZXJuZSArIE9wZW5SZXdyaXRl

Co-authored-by: Moderne <team@moderne.io>

Author: timtebeek

src/main/resources/META-INF/rewrite/examples.yml

@@ -9209,6 +9209,31 @@ examples:
     language: java
 ---
 type: specs.openrewrite.org/v1beta/example
+recipeName: org.openrewrite.java.migrate.util.MigrateCollectionsSingletonMap
+examples:
+- description: '`MigrateCollectionsSingletonMapTest#singletonMapAsArgument`'
+  sources:
+  - before: |
+      import java.util.*;
+
+      class Test {
+          void take(Map<String, Object> m) {}
+          void call(String key, Object value) {
+              take(Collections.singletonMap(key, value));
+          }
+      }
+    after: |
+      import java.util.Map;
+
+      class Test {
+          void take(Map<String, Object> m) {}
+          void call(String key, Object value) {
+              take(Map.of(key, value));
+          }
+      }
+    language: java
+---
+type: specs.openrewrite.org/v1beta/example
 recipeName: org.openrewrite.java.migrate.util.MigrateCollectionsSingletonSet
 examples:
 - description: '`MigrateCollectionsSingletonSetTest#singleTonSet`'