import type { MatOpMM, MultiMatOpMM } from "./api.js";
/**
 * Componentwise matrix multiplication. Use {@link mulM} or
 * {@link concat} for actual matrix-matrix multiplication/concatenation.
 * If `out` is not given, writes result in `a`. Both input matrices MUST
 * be of same size.
 *
 * out = a * b
 *
 * @param out -
 * @param a -
 * @param b -
 */
export declare const mul: MultiMatOpMM;
export declare const mul22: MatOpMM;
export declare const mul23: MatOpMM, mul33: MatOpMM, mul44: MatOpMM;
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