code: public HttpInstanceSummary withAttributes(java.util.Map<String, String> attributes) {
          setAttributes(attributes);
          return this;
      }
docs: <p>
  If you included any attributes when you registered the instance, the values of those attributes.
  </p>
  
  @param attributes
  If you included any attributes when you registered the instance, the values of those attributes.
  @return Returns a reference to this object so that method calls can be chained together.