src/node/plugin.ts/PluginAPI/constructor
class PluginAPI:  public constructor(
    logger: Logger,
    /**
     * These correspond to $CS_PLUGIN_PATH and $CS_PLUGIN respectively.
     */
    private readonly csPlugin = "",
    private readonly csPluginPath = `${path.join(util.paths.data, "plugins")}:/usr/share/code-server/plugins`,
    private readonly workingDirectory: string | undefined = undefined,
  ) {
    this.logger = logger.named("pluginapi")
  }