import { Arity2 } from '@typed/lambda';
export declare const reduce: {
    <A, B>(reducer: Arity2<B, A, B>, seed: B, iterable: Iterable<A>): Promise<B>;
    <A, B>(reducer: Arity2<B, A, B>, seed: B): (iterable: Iterable<A>) => Promise<B>;
    <A, B>(reducer: Arity2<B, A, B>): {
        (seed: B, iterable: Iterable<A>): Promise<B>;
        (seed: B): (iterable: Iterable<A>) => Promise<B>;
    };
};
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