idea/resources-en/inspectionDescriptions/ProtectedInFinal.html - platform/external/jetbrains/kotlin - Git at Google

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 This inspection reports <b>protected</b> visibility used inside of a non-inheritable class.
 In such cases <b>protected</b> members are accessible only in the class itself, so they are effectively <b>private</b>.
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	<body>
	This inspection reports <b>protected</b> visibility used inside of a non-inheritable class.
	In such cases <b>protected</b> members are accessible only in the class itself, so they are effectively <b>private</b>.
	</body>
	</html>