Updated code

src/main/java/net/gepafin/tendermanagement/util/Utils.java

@@ -796,4 +796,22 @@ public class Utils {
 			return null;
 		}
 	}
+	/**
+	 * Extracts a Map from a parent Map safely.
+	 */
+	public static Map<String, Object> extractMap(Map<String, Object> parentMap, String key) {
+		Object obj = parentMap.get(key);
+		if (obj instanceof Map<?, ?> map) {
+			return (Map<String, Object>) map;
+		}
+		return null;
+	}
+
+	/**
+	 * Extracts a String from a Map safely.
+	 */
+	public static String extractString(Map<String, Object> parentMap, String key) {
+		Object obj = parentMap.get(key);
+		return (obj instanceof String str) ? str : null;
+	}
 }