.idea/compiler.xml

<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
  <component name="CompilerConfiguration">
    <wildcardResourcePatterns>
      <entry name="!?*.java" />
      <entry name="!?*.form" />
      <entry name="!?*.class" />
      <entry name="!?*.groovy" />
      <entry name="!?*.scala" />
      <entry name="!?*.flex" />
      <entry name="!?*.kt" />
      <entry name="!?*.clj" />
    </wildcardResourcePatterns>
    <annotationProcessing>
      <profile name="Maven default annotation processors profile" enabled="true">
        <sourceOutputDir name="target/generated-sources/annotations" />
        <sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
        <outputRelativeToContentRoot value="true" />
        <module name="dokka-maven-plugin" />
      </profile>
    </annotationProcessing>
    <bytecodeTargetLevel>
      <module name="android-gradle-plugin_main" target="1.8" />
      <module name="android-gradle-plugin_test" target="1.8" />
      <module name="ant_main" target="1.8" />
      <module name="ant_test" target="1.8" />
      <module name="buildSrc_main" target="1.8" />
      <module name="buildSrc_test" target="1.8" />
      <module name="cli_main" target="1.8" />
      <module name="cli_test" target="1.8" />
      <module name="core_main" target="1.8" />
      <module name="core_test" target="1.8" />
      <module name="fatjar_main" target="1.8" />
      <module name="fatjar_test" target="1.8" />
      <module name="gradle-integration-tests_main" target="1.8" />
      <module name="gradle-integration-tests_test" target="1.8" />
      <module name="gradle-plugin_main" target="1.8" />
      <module name="gradle-plugin_test" target="1.8" />
      <module name="integration_main" target="1.8" />
      <module name="integration_test" target="1.8" />
      <module name="maven-plugin_main" target="1.8" />
      <module name="maven-plugin_test" target="1.8" />
    </bytecodeTargetLevel>
  </component>
</project>