[K/N] Strict version of String.toBoolean() #KT-42071

kotlin-native/runtime/src/main/kotlin/kotlin/text/StringNumberConversions.kt

@@ -61,6 +61,8 @@ public actual inline fun String.toBoolean(): Boolean = this.toBoolean()
 
 /**
  * Returns `true` if this string is not `null` and its content is equal to the word "true", ignoring case, and `false` otherwise.
+ *
+ * There are also strict versions of the function available on non-nullable String, [toBooleanStrict] and [toBooleanStrictOrNull].
  */
 @SinceKotlin("1.4")
 @kotlin.internal.InlineOnly