import CurveNameEnum from '../enum/CurveNameEnum.js';
/**
 * Length of binding in bytes
 *
 * Get the binding length based on whether ECDSA binding is used and the curve name.
 * If no ECDSA then use GMAC binding.
 *
 * @param useEcdsaBinding boolean whether an ECDSA binding is used
 * @param curveName CurveNameEnum name of the curve
 * @returns number length of the binding
 */
export declare function lengthOfBinding(useEcdsaBinding: boolean, curve: CurveNameEnum): number | never;
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