if (fCompilationUnit != null) {
if (compilationUnit != null) {
	private CompilationUnitCompletion getCompletion() {		if (fCompletion == null) {			fCompletion= new CompilationUnitCompletion(fCompilationUnit);						if (fCompilationUnit != null) {				try {					fCompilationUnit.codeComplete(getStart(), fCompletion);				} catch (JavaModelException e) {					// ignore				}			}		}				return fCompletion;	}