.obs_format             Generates the Java object for data formats
.obs_gathering          Generates the Java object for automatic
                        aggregation of the data
.spreadsheet_moniker    Generates a java moniker for the corresponding
                        id.
.txt_moniker            Generates a java moniker for the corresponding
                        id.
.xml_moniker            Generates a java moniker for the corresponding
                        id.
get_providers_option    Set an option for providers
providers_option        Set an option for providers
set_spreadsheet_paths   Set the paths to spreadsheet files (to be used
                        with relative identifiers).
set_txt_paths           Set the paths to txt files (to be used with
                        relative identifiers)
set_xml_paths           Set the paths to xml files (to be used with
                        relative identifiers).
spreadsheet_change_file
                        Change the file of a spreadsheet moniker.
spreadsheet_content     Provides the content of a spreadsheet designed
                        for time series.
spreadsheet_data        Retrieves all the time series in a specified
                        sheet from a spreadsheet file.
spreadsheet_id_to_properties
                        Gets the list of the properties corresponding
                        to the identifier of a moniker.
spreadsheet_name        Gets the name of the spreadsheet provider.
spreadsheet_properties_to_id
                        Generates the id corresponding to a list of
                        spreadsheet properties.
spreadsheet_series      Retrieves a time series from a spreadsheet
                        file.
txt_change_file         Change the file of a text moniker
txt_content             Provides the content of a text file designed
                        for time series
txt_data                Retrieves all the time series in a text file
                        (.txt, .csv...)
txt_id_to_properties    Gets the list of the properties corresponding
                        to the identifier of a moniker
txt_name                Gets the name of the text provider
txt_properties_to_id    Generates the id corresponding to a list of a
                        text properties.
txt_series              Retrieves a time series from a a text file
                        (.txt, .csv...)
xml_change_file         Change the file of an xml moniker.
xml_content             Provides the content of an xml file designed
                        for time series.
xml_data                Retrieves all the time series in a specified
                        collection from an xml file.
xml_id_to_properties    Gets the list of the properties corresponding
                        to the identifier of a moniker.
xml_name                Gets the name of the xml provider.
xml_properties_to_id    Generates the id corresponding to a list of an
                        xml properties.
xml_series              Retrieves a time series from an xml file
