kotlin-fork/idea/resources/META-INF/gradle.xml

<idea-plugin>
    <extensionPoints>
        <extensionPoint qualifiedName="org.jetbrains.kotlin.gradleProjectImportHandler" area="IDEA_PROJECT"
                        interface="org.jetbrains.kotlin.idea.configuration.GradleProjectImportHandler"/>

        <extensionPoint qualifiedName="org.jetbrains.kotlin.gradleModelFacade"
                        interface="org.jetbrains.kotlin.idea.inspections.gradle.KotlinGradleModelFacade"/>
    </extensionPoints>

    <extensions defaultExtensionNs="org.jetbrains.kotlin">
        <buildSystemTypeDetector implementation="org.jetbrains.kotlin.idea.configuration.GradleDetector"/>
    </extensions>

    <extensions defaultExtensionNs="org.jetbrains.plugins.gradle">
        <orderEnumerationHandlerFactory implementation="org.jetbrains.kotlin.idea.gradle.execution.KotlinGradleOrderEnumerationHandler$Factory" order="first"/>
        <projectResolve implementation="org.jetbrains.kotlin.idea.configuration.KotlinMPPGradleProjectResolver"/>
        <testTasksProvider implementation="org.jetbrains.kotlin.idea.run.KotlinMPPGradleTestTasksProvider"/>
    </extensions>

    <extensions defaultExtensionNs="com.intellij">
        <projectTaskRunner implementation="org.jetbrains.kotlin.idea.gradle.execution.KotlinMPPGradleProjectTaskRunner" order="first, before gradle"/>
        <externalProjectDataService implementation="org.jetbrains.kotlin.idea.configuration.KotlinSourceSetDataService"/>
        <externalProjectDataService implementation="org.jetbrains.kotlin.idea.configuration.KotlinGradleProjectSettingsDataService"/>
    </extensions>
</idea-plugin>