if (FALSE) {
 # the data is downloaded and parsed from Internet
 # not that this dataset is pre-calculated in the package
 BDLtree <- getBDLtree(2)
 head(BDLtree)
 DBLtransport <- getBDLsearch("transport")
 head(DBLtransport)
 BDLseries <- getBDLseries(metric_id = 1)
 head(BDLseries)
 gminy <- getMPgminy()
 head(gminy)
 powiaty <- getMPpowiaty()
 head(powiaty)
}
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