@Override
        public String toString() {
            return MoreObjects.toStringHelper(this).omitNullValues()
                              .add("context", context)
                              .add("request", request)
                              .add("aggregatedResult", aggregatedResult)
                              .add("queryParams", queryParams)
                              .toString();
        }
A context which is used while resolving parameter values.
core/src/main/java/com/linecorp/armeria/internal/server/annotation/AnnotatedValueResolver.java