http://www.jboss.org/undertow-parent/undertow-core: Undertow (JBoss by Red Hat) 
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package io.undertow.conduits;


Callback that allows the bytes read from or written to a stream to be tracked

Author:Stuart Douglas
/**
 * Callback that allows the bytes read from or written to a stream to be tracked
 *
 * @author Stuart Douglas
 */
public interface ByteActivityCallback {

    void activity(long bytes);

}