import type { AnyIterable, PipeFn, PipeFnAsync, PipeFnSync } from '../internalTypes.js';
export declare function toPipeFn<T, U = T>(syncFn: PipeFnSync<T, U>, asyncFn: PipeFnAsync<T, U>): PipeFn<T, U>;
export declare function isAsyncIterable<T>(i: AnyIterable<T>): i is AsyncIterable<T>;
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