plugins/commander/src/META-INF/plugin.xml

<idea-plugin>
  <id>com.intellij.commander</id>
  <name>Commander</name>
  <description>Provides a two-panel view for navigating and working with the project structure</description>
  <vendor>JetBrains</vendor>
  <resource-bundle>messages.CommanderBundle</resource-bundle>
  <depends>com.intellij.modules.java</depends>

  <extensions defaultExtensionNs="com.intellij">
    <selectInTarget implementation="com.intellij.ide.commander.CommanderSelectInTarget"/>
    <toolWindow id="Commander" anchor="right" icon="AllIcons.Toolwindows.ToolWindowCommander"
                factoryClass="com.intellij.ide.commander.CommanderToolWindowFactory"/>
    <projectService serviceImplementation="com.intellij.ide.commander.Commander"/>
  </extensions>

  <actions>
    <action id="CommanderSyncViews" class="com.intellij.ide.actions.SyncViewsAction" icon="AllIcons.Actions.SyncPanels">
      <add-to-group group-id="PairFileActions" anchor="first"/>
      <keyboard-shortcut first-keystroke="alt F6" keymap="$default"/>
    </action>
    <action id="CommanderSwapPanels" class="com.intellij.ide.actions.SwapPanelsAction" icon="AllIcons.Actions.SwapPanels">
      <add-to-group group-id="PairFileActions" anchor="first"/>
      <keyboard-shortcut first-keystroke="control U" keymap="$default"/>
    </action>

    <group id="ImagesCommanderActions1">
      <reference id="Images.EditExternally"/>
      <add-to-group anchor="after" group-id="CommanderPopupMenu" relative-to-action="EditSource"/>
    </group>

    <group id="ImagesCommanderActions2">
      <reference id="Images.ShowThumbnails"/>
      <add-to-group anchor="after" group-id="CommanderPopupMenu" relative-to-action="AddToFavorites"/>
    </group>
  </actions>
</idea-plugin>