in Sources/Bridget/native.swift [666:676]
func unfollow(topic: Topic, completion: @escaping (Result<Bool, Error>) -> Void)
///
/// - Parameters:
/// - topic:
/// - completion: Result<Bool, Error> wrapping return and following Exceptions:
func isFollowing(topic: Topic, completion: @escaping (Result<Bool, Error>) -> Void)
}
open class TagProcessor /* Tag */ {