<s> package org . eclipse . jdt . core . compiler ; import org . eclipse . jdt . core . compiler . batch . BatchCompiler ; public abstract class CompilationProgress { public abstract void begin ( int remainingWork ) ; public abstract void done ( ) ; public abstract boolean isCanceled ( ) ; public abstract void setTaskName ( String name ) ; public abstract void worked ( int workIncrement , int remainingWork ) ; } </s>