public JsonBinaryAnnotation(BinaryAnnotation binaryAnnotation)
 {
     this.binaryAnnotation = binaryAnnotation;
     this.Endpoint         = new JsonEndpoint(binaryAnnotation.Endpoint);
 }
 public JsonAnnotation(Annotation annotation)
 {
     this.annotation = annotation;
     this.Endpoint   = new JsonEndpoint(annotation.Endpoint);
 }