Object obj;

        synchronized ( this.inFlightLookups ) {
            if ( this.inFlightLookups.contains(name) == false ) {
                this.inFlightLookups.add(name);
                return null;
            }
            while ( this.inFlightLookups.contains(name) ) {
                try {
                    this.inFlightLookups.wait();
                }