nl_tokens: Store value at key
pl_tokens: function doSet ( store , key , value , <mask> ) { if ( ! key || typeof key !== 'string' ) { return false ; } // Returns same if no change const newData = property . set ( store . _data , key , value , options ) ; if ( options . immutable ) { if ( newData !== store . _data ) { store . _data = newData ; } else { store . debug ( 'WARNING no change after set "%s' , key ) ; return false ; } } return true ; }