/**
 * Componentwise computes `Math.pow` of given nD tensor and uniform scalar `n`.
 * Writes result to `out`. If `out` is null, mutates `a`. Multi-method.
 *
 * @param out - output tensor
 * @param a - input tensor
 * @param n - scalar exponent
 */
export declare const powN: import("./api.js").MultiTensorOpImpl<import("./api.js").TensorOpTN<number>>;
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