void (final Project project, PsiElement[] elements, final MoveCallback moveCallback, @Nullable PsiElement targetContainer) { if (elements.length != 1) return; final PsiClass aClass = (PsiClass) elements[0]; boolean condition = aClass.getContainingClass() != null; LOG.assertTrue(condition); if (!CommonRefactoringUtil.checkReadOnlyStatus(project, aClass)) return; if (targetContainer == null) { targetContainer = getTargetContainer(aClass, true); } if (targetContainer == null) return; final MoveInnerDialog dialog = new MoveInnerDialog( project, aClass, new MoveInnerProcessor(project, moveCallback), targetContainer); dialog.show(); }