code: func EncryptArmor62Seal(version Version, plaintext []byte, sender BoxSecretKey, receivers []BoxPublicKey, brand string) (string, error) {
  	ephemeralKeyCreator, err := receiversToEphemeralKeyCreator(receivers)
  	if err != nil {
  		return "", err
  	}
  	return encryptArmor62Seal(version, plaintext, sender, receivers, ephemeralKeyCreator, defaultEncryptRNG{}, brand)
  }
docs: // EncryptArmor62Seal is the non-streaming version of NewEncryptArmor62Stream, which
  // inputs a plaintext (in bytes) and output a ciphertext (as a string).