nl_tokens: Returns true if the given layer is in this MarkerClusterGroup
pl_tokens: function ( layer ) { if ( ! layer ) { return false ; } var i , anArray = this . _needsClustering ; for ( i = anArray . length - 1 ; i >= 0 ; i -- ) { if ( anArray [ i ] === layer ) { return <mask> ; } } anArray = this . _needsRemoving ; for ( i = anArray . length - 1 ; i >= 0 ; i -- ) { if ( anArray [ i ] === layer ) { return false ; } } return ! ! ( layer . __parent && layer . __parent . _group === this ) || this . _nonPointGroup . hasLayer ( layer ) ; }