class AddResourceHandlerResult
Result for CoapEndpoint.addResourceHandler native call
| AddResourceHandlerResult(resultCode: Int, handlerNativeReference: Long)Result for CoapEndpoint.addResourceHandler native call | 
| val handlerNativeReference: LongReference to native handler for single add resource request, this reference is used for removing a handler | |
| val resultCode: IntResult code for add resource handler request, -ve value indicates error |