docs: private void convertMapToMap(Map<?, ?> srcMap, Map<Object, Object> targetMap) {
  		final ConverterRegistry convert = ConverterRegistry.getInstance();
  		Object key;
  		Object value;
  		for (Entry<?, ?> entry : srcMap.entrySet()) {
  			key = TypeUtil.isUnknow(this.keyType) ? entry.getKey() : convert.convert(this.keyType, entry.getKey());
  			value = TypeUtil.isUnknow(this.valueType) ? entry.getValue() : convert.convert(this.valueType, entry.getValue());
  			targetMap.put(key, value);
  		}
  	}