public interface Tracer
void
trace(java.lang.String url, int statusCode, long startTime, long endTime, long bytesSent, long bytesReceived)
trace(java.lang.String url, long startTime, long endTime, java.io.IOException e)
void trace(java.lang.String url, long startTime, long endTime, java.io.IOException e)
void trace(java.lang.String url, int statusCode, long startTime, long endTime, long bytesSent, long bytesReceived)