%.%                     Existence aware pick operator
DiseasystoreBase        diseasystore base handler
DiseasystoreEcdcRespiratoryViruses
                        feature store handler of EU-ECDC Respiratory
                        viruses features
DiseasystoreGoogleCovid19
                        feature store handler of Google Health COVID-19
                        Open Data features
DiseasystoreSimulist    feature store handler of synthetic 'simulist'
                        features
FeatureHandler          FeatureHandler
add_years               Backend-dependent time interval (in years)
age_labels              Provides sortable labels for age groups
age_on_date             Compute the age (in years) on a given date
aggregators             Feature aggregators
available_diseasystores
                        Detect available diseasystores
diseasyoption           Helper function to get options related to
                        diseasy
diseasystore_exists     Check for the existence of a 'diseasystore' for
                        the case definition
drop_diseasystore       Drop feature stores from DB
get_diseasystore        Get the 'diseasystore' for the case definition
source_conn_helpers     File path helper for different source_conn
test_diseasystore       Test a given diseasy store
to_diseasystore_case    Transform case definition to PascalCase
