plugin.xml

<!-- Plugin Configuration File. Read more: https://plugins.jetbrains.com/docs/intellij/plugin-configuration-file.html -->
<idea-plugin>
    <id>com.github.pipe4.idea.plugin</id>
    <name>Pipe4</name>
    <vendor>pipe4</vendor>

    <depends>com.intellij.modules.platform</depends>

    <extensions defaultExtensionNs="com.intellij">
        <applicationService serviceImplementation="com.github.pipe4.idea.plugin.services.Pipe4ApplicationService"/>
        <projectService serviceImplementation="com.github.pipe4.idea.plugin.services.Pipe4ProjectService"/>

        <fileType name="Pipe4 File" implementationClass="com.github.pipe4.idea.plugin.language.Pipe4FileType"
                  fieldName="INSTANCE" language="Pipe4" extensions="pipe4"/>
    </extensions>

    <applicationListeners>
        <listener class="com.github.pipe4.idea.plugin.listeners.Pipe4ProjectManagerListener"
                  topic="com.intellij.openapi.project.ProjectManagerListener"/>
    </applicationListeners>
</idea-plugin>