nl_tokens: Array of sites without a particular plugin .
pl_tokens: function ( sites , pluginSlug ) { const installedOnSites = this . getSites ( sites , pluginSlug ) || [ ] ; return sites . filter ( function ( site ) { if ( ! site . visible ) { return false ; } if ( site . jetpack && site . isSecondaryNetworkSite ) { return false ; } return installedOnSites . <mask> ( function ( installedOnSite ) { return installedOnSite . slug !== site . slug ; } ) ; } ) ; }