/**
 * Componentwise rounds given nD vector `a` to multiples of uniform scalar `n`.
 * Multi-method.
 *
 * @param o - output vector
 * @param a - input vector
 * @param n - scalar
 */
export declare const roundN: import("./api.js").MultiVecOpVN;
/**
 * Componentwise rounds given 2D vector `a` to multiples of uniform scalar `n`.
 *
 * @param o - output vector
 * @param a - input vector
 * @param n - scalar
 */
export declare const roundN2: import("./api.js").VecOpVN;
/**
 * Componentwise rounds given 3D vector `a` to multiples of uniform scalar `n`.
 *
 * @param o - output vector
 * @param a - input vector
 * @param n - scalar
 */
export declare const roundN3: import("./api.js").VecOpVN;
/**
 * Componentwise rounds given 4D vector `a` to multiples of uniform scalar `n`.
 *
 * @param o - output vector
 * @param a - input vector
 * @param n - scalar
 */
export declare const roundN4: import("./api.js").VecOpVN;
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