code: public static BsonDocument parse(final String json) {
          return new BsonDocumentCodec().decode(new JsonReader(json), DecoderContext.builder().build());
      }
docs: Parses a string in MongoDB Extended JSON format to a {@code BsonDocument}
  
  @param json the JSON string
  @return a corresponding {@code BsonDocument} object
  @see org.bson.json.JsonReader
  @mongodb.driver.manual reference/mongodb-extended-json/ MongoDB Extended JSON