import type { Maybe } from "@thi.ng/api";
import type { MultiTensorOpImpl } from "./api.js";
/**
 * Specialized / optimized version of
 * [`thi.ng/defmulti`](https://thi.ng/defmulti) for tensor operations. Uses
 * simplified logic to dispatch on tensor dimension ({@link ITensor.dim}) of
 * `dispatch` argument.
 *
 * @param dispatch - arg index (default: 1)
 */
export declare const top: <T extends Function>(dispatch?: number, fallback?: T, ...optimized: Maybe<T>[]) => MultiTensorOpImpl<T>;
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