return hop_send_request( svc, sync, success, failure, true ); 
return hop_send_request( svc, sync, success, failure, true, hop_serialize_request_env() ); 
function with_hop( svc, success, failure, sync ) {   if( !success ) success = function( h ) { return h };   if( !failure ) failure = hop_default_failure;      return hop_send_request( svc, sync, success, failure, true );}
4636	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4636/6286670c35d3c577148f7b3d87607e24e1768da3/hop.js/buggy/share/hop.js