php/resources/intellij.dotenv.php.xml

<idea-plugin package="ru.adelf.idea.dotenv.php">
  <dependencies>
    <plugin id="com.jetbrains.php"/>
    <plugin id="ru.adelf.idea.dotenv"/>
  </dependencies>
  <extensions defaultExtensionNs="com.intellij">
    <completion.contributor language="PHP" implementationClass="ru.adelf.idea.dotenv.php.PhpEnvCompletionContributor"/>
    <gotoDeclarationHandler implementation="ru.adelf.idea.dotenv.php.PhpEnvCompletionContributor"/>

    <completion.contributor language="XML" implementationClass="ru.adelf.idea.dotenv.php.PhpunitEnvCompletionContributor"/>
    <gotoDeclarationHandler implementation="ru.adelf.idea.dotenv.php.PhpunitEnvCompletionContributor"/>

    <!--suppress PluginXmlValidity -->
    <fileTypeOverrider implementation="ru.adelf.idea.dotenv.php.PhpFileTypeOverrider"/>
  </extensions>

  <extensions defaultExtensionNs="ru.adelf.idea.dotenv">
    <environmentVariablesUsagesProvider implementation="ru.adelf.idea.dotenv.php.PhpEnvironmentVariablesUsagesProvider"/>
    <environmentVariablesUsagesProvider implementation="ru.adelf.idea.dotenv.php.PhpunitEnvironmentVariablesUsagesProvider"/>
  </extensions>
</idea-plugin>