type '_InternalLinkedHashMap<dynamic, dynamic>' is not a subtype of type 'Map<String, dynamic>' in type cast · Issue #351 · google/json_serializable. dart · GitHub
Java LinkedHashMap Internal Implementation | by Anmol Sehgal | Medium
JavaMadeSoEasy.com (JMSE): LinkedHashMap - Iterator on keySet, values and entrySet is fail-safe or fail-fast in java