6 val x = <bold>""</bold>.extensionFun()
3 	fun <bold>String</bold>.extensionFun(): Any = this
3 		fun String.extensionFun(): Any = <bold>this</bold>
3 			fun String.<bold>extensionFun(): Any = this</bold>
6 				val x = "".<bold>extensionFun()</bold>
6 					val <bold>x = "".extensionFun()</bold>
