code: public OtpErlangObject put(final OtpErlangObject key,
              final OtpErlangObject value) {
          return map.put(key, value);
      }
docs: Put value corresponding to key into the map. For detailed behavior
  description see {@link Map#put(Object, Object)}.
  
  @param key
  key to associate value with
  @param value
  value to associate with key
  @return previous value associated with key or null