static AggregatedHttpRequest of(HttpMethod method, String path) {
        requireNonNull(method, "method");
        requireNonNull(path, "path");
        return of(RequestHeaders.of(method, path));
    }
Creates a new HTTP request with empty content.

@param method the HTTP method of the request
@param path the path of the request
core/src/main/java/com/linecorp/armeria/common/AggregatedHttpRequest.java