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Get the official language(s) for the given territory.
The language codes, if any are known, are returned in order of descending popularity.
If the `regional` flag is set, then languages which are regionally official are also returned.
If the `de_facto` flag is set, then languages which are "de facto" official are also returned.
.. warning:: Note that the data is as up to date as the current version of the CLDR used
by Babel. If you need scientifically accurate information, use another source!
:param territory: Territory code
:type territory: str
:param regional: Whether to return regionally official languages too
:type regional: bool
:param de_facto: Whether to return de-facto official languages too
:type de_facto: bool
:return: Tuple of language codes
:rtype: tuple[str]
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Get a dictionary of language information for a territory.
The dictionary is keyed by language code; the values are dicts with more information.
The following keys are currently known for the values:
* `population_percent`: The percentage of the territory's population speaking the
language.
* `official_status`: An optional string describing the officiality status of the language.
Known values are "official", "official_regional" and "de_facto_official".
.. warning:: Note that the data is as up to date as the current version of the CLDR used
by Babel. If you need scientifically accurate information, use another source!
.. note:: Note that the format of the dict returned may change between Babel versions.
See http://www.unicode.org/cldr/charts/latest/supplemental/territory_language_information.html
:param territory: Territory code
:type territory: str
:return: Language information dictionary
:rtype: dict[str, dict]
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