RouteBuilder matchesHeaders(List<RoutingPredicate<HttpHeaders>> headerPredicates) {
        this.headerPredicates.addAll(requireNonNull(headerPredicates, "headerPredicates"));
        return this;
    }
Sets the pre-configured predicates of the {@link HttpHeaders}.
core/src/main/java/com/linecorp/armeria/server/RouteBuilder.java