/**
 * Componentwise computes `Math.acosh` of given nD vector. Multi-method.
 *
 * @param o - output vector
 * @param a - input vector
 */
export declare const acosh: import("./api.js").MultiVecOpV<number>;
/**
 * Componentwise computes `Math.acosh` of given 2D vector.
 *
 * @param o - output vector
 * @param a - input vector
 */
export declare const acosh2: import("./api.js").VecOpV<number>;
/**
 * Componentwise computes `Math.acosh` of given 3D vector.
 *
 * @param o - output vector
 * @param a - input vector
 */
export declare const acosh3: import("./api.js").VecOpV<number>;
/**
 * Componentwise computes `Math.acosh` of given 4D vector.
 *
 * @param o - output vector
 * @param a - input vector
 */
export declare const acosh4: import("./api.js").VecOpV<number>;
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