code: public void marshall(Grantee grantee, ProtocolMarshaller protocolMarshaller) {
  
          if (grantee == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(grantee.getType(), TYPE_BINDING);
              protocolMarshaller.marshall(grantee.getDisplayName(), DISPLAYNAME_BINDING);
              protocolMarshaller.marshall(grantee.getURI(), URI_BINDING);
              protocolMarshaller.marshall(grantee.getID(), ID_BINDING);
              protocolMarshaller.marshall(grantee.getEmailAddress(), EMAILADDRESS_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.