plugins/IntentionPowerPak/src/intentionDescriptions/ConvertInterfaceToClassIntention/description.html - platform/tools/idea - Git at Google

 <html>
 <body>
 This intention converts an <b>interface</b> to an <b>abstract class</b> ,
 replacing <b>implements</b> clauses by <b>extends</b> clauses in inheriting classes.
 </body>
 </html>
	<html>
	<body>
	This intention converts an <b>interface</b> to an <b>abstract class</b> ,
	replacing <b>implements</b> clauses by <b>extends</b> clauses in inheriting classes.
	</body>
	</html>