workspaceServletFirst/.metadata/.plugins/org.eclipse.ltk.ui.refactoring/dialog_settings.xml

<?xml version="1.0" encoding="UTF-8"?>
<section name="Workbench">
	<section name="RefactoringWizard.preview">
		<item key="width" value="600"/>
		<item key="height" value="400"/>
	</section>
</section>