protected ImmutableMap<Object, Object> _deserializeEntries(JsonParser jp,
DeserializationContext ctxt) throws IOException, JsonProcessingException
{
final KeyDeserializer keyDes = _keyDeserializer;
final JsonDeserializer<?> valueDes = _valueDeserializer;
final TypeDeserializer typeDeser = _typeDeserializerForValue;
ImmutableMap.Builder<Object,Object> builder = ImmutableMap.builder();
for (; jp.getCurrentToken() == JsonToken.FIELD_NAME; jp.nextToken()) {
// Must point to field name now
String fieldName = jp.getCurrentName();