public static HttpUriRequest trace(final URI uri) {
        return new HttpTrace(uri);
    }
Constructs a new {@code "TRACE"} HttpUriRequest initialized with the given URI.

@param uri a non-null request URI.
@return a new "TRACE" HttpUriRequest.
@throws IllegalArgumentException if the URI is null.
httpclient5/src/main/java/org/apache/hc/client5/http/classic/methods/ClassicHttpRequests.java