Bug 23366 Modify parameters refactoring remebers last state [refactoring]
2.x - select a method with 2 arguments - activate modify parameters - change order and one name - click next to see preview - press cancel - activate refactoring again observe: the dialog shows the last entered settings.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/actions/ExtractInterfaceAction.java
private ExtractInterfaceRefactoring fRefactoring;