Unused variable warning when the variable is used in the request path about ballerina-lang HOT 1 CLOSED

import ballerina/io;

client class Client {
    resource function post [string... s](string body, map<string> headers) returns error? {
        io:println(s);
    }
}

public function main() returns error? {
    Client httpEp = new;
    string body = "";
    map<string> headers = {};

    string requestPath = "path";
    check httpEp->/requestPath.post(body, headers);

    string requestPath2 = "path2"; // no warning for this since it is used
    check httpEp->/[requestPath2].post(body, headers);
}