import type { ITensor, TensorData, TensorOpRTT } from "./api.js";
/**
 * Higher order tensor reduction op factory. Takes given reduction `rfn` and
 * `init` function to produce an initial result and optional `complete` to
 * produce the final result. Returns a {@link TensorOpRTT} applying the given
 * function componentwise, by default with broadcasting rules (see
 * {@link broadcast} for details).
 *
 * @param rfn
 * @param init
 * @param complete
 * @param useBroadcast
 */
export declare const defOpRTT: <A = number, B = A>(rfn: (acc: B, adata: TensorData<A>, bdata: TensorData<A>, ia: number, ib: number) => B, init: () => B, complete?: (acc: B, a: ITensor<A>, b: ITensor<A>) => B, useBroadcast?: boolean) => TensorOpRTT<A, B>;
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