public PerformChangeOperation(CreateChangeOperation op) { fCreateChangeOperation= op; Assert.isNotNull(fCreateChangeOperation); fCheckPassedSeverity= RefactoringStatus.INFO;
public PerformChangeOperation(IChange change) { fChange= change; Assert.isNotNull(fChange);
	public PerformChangeOperation(CreateChangeOperation op) {		fCreateChangeOperation= op;		Assert.isNotNull(fCreateChangeOperation);		fCheckPassedSeverity= RefactoringStatus.INFO;	}