Method <org.gradle.api.plugins.JavaPluginConvention.getProject()> has arguments/return type org.gradle.api.internal.project.ProjectInternal that is not Gradle public API or primitive or built-in JDK classes or Kotlin classes in (JavaPluginConvention.java:0)

 * The `JavaBasePlugin.configureForSourceSet()` method has been removed.

The following code will now emit deprecation warnings:

====
[.multi-language-sample]
=====
.build.gradle.kts
[source,kotlin]
----
plugins {
    id("java")
}

configure<JavaPluginConvention> { // Accessing a convention
    sourceCompatibility = JavaVersion.VERSION_18
}
----
=====
[.multi-language-sample]
=====
.build.gradle
[source,groovy]
----
plugins {