<compilerArgs>
                <arg>-sourcepath</arg>
                <arg>${project.basedir}/src</arg>
                <arg>--add-reads=com.google.common=ALL-UNNAMED</arg>
                <!-- https://errorprone.info/docs/installation#maven -->
                <arg>-XDcompilePolicy=simple</arg>
              </compilerArgs>
              <multiReleaseOutput>true</multiReleaseOutput>

            List<String> compilerArgs = compileOptions.getCompilerArgs();
            compilerArgs.add("-Werror");
            compilerArgs.add("-Xlint:all,-path,-serial,-options,-deprecation,-try");
            compilerArgs.add("-Xdoclint:all");
            compilerArgs.add("-Xdoclint:-missing");
            compileOptions.setEncoding("UTF-8");

        <executions>
          <execution>
            <id>default-compile</id>
            <configuration>
              <compilerArgs combine.children="append" combine.self="append">
                <arg>-XDignore.symbol.file</arg>
              </compilerArgs>
            </configuration>
          </execution>
          <execution>
            <id>compile-java9</id>
            <phase>compile</phase>

        <executions>
          <execution>
            <id>default-compile</id>
            <configuration>
              <compilerArgs combine.children="append" combine.self="append">
                <arg>-XDignore.symbol.file</arg>
              </compilerArgs>
            </configuration>
          </execution>
          <execution>
            <id>compile-java9</id>
            <phase>compile</phase>

    // not needed when compiling with recent JDKs, e.g. 17
    options.compilerArgs.add("-Xlint:-requires-transitive-automatic")

    // Patch the compileKotlinJvm output classes into the compilation so exporting packages works correctly.
    options.compilerArgs.addAll(
      listOf(
        "--patch-module",
        "$moduleName=${compileKotlinTask.destinationDirectory.get().asFile}",

        <executions>
          <execution>
            <id>default-compile</id>
            <configuration>
              <compilerArgs combine.children="append" combine.self="append">
                <arg>-XDignore.symbol.file</arg>
              </compilerArgs>
            </configuration>
          </execution>
          <execution>
            <id>compile-java9</id>
            <phase>compile</phase>

    groovyOptions.apply {
        encoding = "utf-8"
        forkOptions.jvmArgs?.add("-XX:+HeapDumpOnOutOfMemoryError")
    }
    options.apply {
        isFork = true
        encoding = "utf-8"
        compilerArgs = mutableListOf("-Xlint:-options", "-Xlint:-path")
    }
}

tasks.withType<Test>().configureEach {
    val testVersionProvider = javaLauncher.map { it.metadata.languageVersion }

}

// enable the JMH's BenchmarkProcessor to generate the final benchmark classes
// needs to be added separately otherwise Gradle will quote it and javac will fail
tasks.named("compileJava").configure {
  options.compilerArgs.addAll(["-processor", "org.openjdk.jmh.generators.BenchmarkProcessor"])
}

tasks.register('copyExpression', Copy) {
  dependsOn configurations.expression
  from { configurations.expression.collect { zipTree(it) } }