let news: News = News(apiKey: "your-api-key")

let options: [QueryOptions] = [
    .country(.us),
    .pageSize(5),
    .sortBy(.popularity)
]
        
news.get(.topHeadlines, with: options, headlinesCompletion: { [weak self] (headlines, error) in
    if let headlines = headlines, let articles = headlines.articles {
	debugPrint(articles)
    }
})

let options: [QueryOptions] = [
    .domains(["bbc.co.uk", "bbc.com"]),
    .excludeDomains(["google.com"]),
    .country(.us)
]
        
news.get(.everything, with: options, headlinesCompletion: { [weak self] (headlines, error) in
    if let headlines = headlines, let articles = headlines.articles {
	debugPrint(articles)
    }
})

let options: [QueryOptions] = [
    .language(.en),
    .category(.technology),
    .country(.us)
]
        
news.get(.sources, with: options, sourcesCompletion: { [weak self] (sources, error) in
    if let sources = sources {
	debugPrint(sources)
    }
})

/// Keywords or a phrase to search for.
case query(String)

/// Keywords or phrases to search for in the article title only.
case titleQuery(String)

/// The news sources or blogs you want headlines from.
case sources([String])

/// Domains (eg bbc.co.uk, techcrunch.com, engadget.com) to restrict the search to.
case domains([String])

/// Domains (eg bbc.co.uk, techcrunch.com, engadget.com) to remove from the results.
case excludeDomains([String])

/// A date and optional time for the oldest article allowed.
case fromDate(Date)

/// A date and optional time for the newest article allowed.
case toDate(Date)

/// Code of the language you want to get headlines for.
case language(Language)

/// The order to sort the articles in.
case sortBy(SortOptions)

/// The category you want to get headlines for.
case category(Category)

/// The code of the country you want to get headlines for.
case country(Country)

/// The number of results to return per page (request). 20 is the default, 100 is the maximum.
case pageSize(Int)

/// Use this to page through the results if the total results found is greater than the page size.
case page(Int)