text: #ifndef NdefMessage_h
  #define NdefMessage_h
  
  #include <Ndef.h>
  #include <NdefRecord.h>
  
  #define MAX_NDEF_RECORDS 4
  
  class NdefMessage {
    public:
      NdefMessage(void);
      NdefMessage(const byte* data, const int numBytes);
      NdefMessage(const NdefMessage& rhs);
      ~NdefMessage();
      NdefMessage& operator=(const NdefMessage& rhs);
  
      int getEncodedSize(); // need so we can pass array to encode
      void encode(byte* data);
  
      boolean addRecord(NdefRecord& record);
      void addMimeMediaRecord(String mimeType, String payload);
      void addMimeMediaRecord(String mimeType, byte* payload, int payloadLength);
      void addTextRecord(String text);
      void addTextRecord(String text, String encoding);
      void addUriRecord(String uri);
      void addEmptyRecord();
  
      unsigned int getRecordCount();
      NdefRecord getRecord(int index);
      NdefRecord operator[](int index);
  
      #ifdef NDEF_USE_SERIAL
      void print();
      #endif
    private:
      NdefRecord _records[MAX_NDEF_RECORDS];
      unsigned int _recordCount;
  };
  
  #endif