Function fluent_langneg::negotiate::negotiate_languages

pub fn negotiate_languages<'a, R: 'a + AsRef<LanguageIdentifier>, A: 'a + AsRef<LanguageIdentifier> + PartialEq>(
    requested: &[R],
    available: &'a [A],
    default: Option<&'a A>,
    strategy: NegotiationStrategy
) -> Vec<&'a A>