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kotlinlang

the java toolchain doc have a wrong kotlin snippet, <https://kotlinlang.org/docs/gradle.html#gradle-java-toolchains-support|this> should be
```kotlin {
    jvmToolchain {
        (this as JavaToolchainSpec).languageVersion.set(JavaLanguageVersion.of(&lt;MAJOR_JDK_VERSION&gt;)) // "8"
    }
}```


Hi! We <https://youtrack.jetbrains.com/issue/KT-47924/Remove-annoying-cast-in-toolchain-extension-method-for-Kotlin-DSL|removed> this type cast in Kotlin 1.7.0 and announced it – see the last section <https://kotlinlang.org/docs/whatsnew17.html#removal-of-deprecated-options-methods-and-plugins|here>. Now the documentation has a topical state for Kotlin 1.7.20.