[stdlib] Explicit visibility and return types: JVM

libraries/stdlib/jdk7/src/kotlin/AutoCloseableJVM.kt

@@ -41,7 +41,7 @@ public actual inline fun <T : java.lang.AutoCloseable?, R> T.use(block: (T) -> R
 
 @SinceKotlin("1.2")
 @PublishedApi
-internal fun java.lang.AutoCloseable?.closeFinally(cause: Throwable?) = when {
+internal fun java.lang.AutoCloseable?.closeFinally(cause: Throwable?): Unit = when {
     this == null -> {}
     cause == null -> close()
     else ->

libraries/stdlib/jdk7/src/kotlin/io/path/PathUtils.kt

@@ -482,7 +482,7 @@ public inline fun Path.deleteExisting() {
 @WasExperimental(ExperimentalPathApi::class)
 @Throws(IOException::class)
 @kotlin.internal.InlineOnly
-public inline fun Path.deleteIfExists() =
+public inline fun Path.deleteIfExists(): Boolean =
     Files.deleteIfExists(this)
 
 /**