import { FunctorInterface } from './functor.interface';
export interface BifunctorInterface<T> extends FunctorInterface<T> {
    /**
     * bimap :: Bifunctor f => f a c ~> (a -> b, c -> d) -> f b d
     * @param {(e: T) => TNewResultA} f1
     * @param {(e: T) => TNewResultB} f2
     * @returns {BifunctorInterface<TNewResultA | TNewResultB>}
     */
    bimap<TNewResultA, TNewResultB>(f1: (e: T) => TNewResultA, f2: (e: T) => TNewResultB): BifunctorInterface<TNewResultA | TNewResultB>;
}