fi_syke_runoff_meta     SYKE runoff station metadata (area & altitude)
fr_hubeau_meta          FR_HUBEAU precomputed station metadata
hydro_service           Create a hydro service object
hydro_services          List available providers
jp_mlit_meta            Japan MLIT stations metadata snapshot
list_countries          List available countries
stations                List stations for a provider
stations.hydro_service_BR_ANA
                        ANA stations (Brazil) - cache-first with
                        optional update from inventory
timeseries              Retrieve time series for a provider
timeseries_parameters   List supported parameters/units for a provider
