import { Scalar } from '../scalar';
import { TxKey } from './txKey';
/** Represents a child key. A child key is a Scalar and introduces no new functionality; it serves purely as a semantic alias. BlindingKey, TokenKey and TxKey are exclusively derived from a ChildKey.
 *
 * Examples:
 * ```ts
 * const { Scalar, ChildKey } = require('navio-blsct')
 * const s = Scalar.random()
 * const ck = new ChildKey(s)
 * ck.toBlindingKey()
 * ck.toTokenKey()
 * ck.toTxKey()
 * ```
 */
export declare class ChildKey extends Scalar {
    /**
     * Creates a new `ChildKey` derived from the given `Scalar`.
     *
     * @param obj - The `Scalar` to derive the `ChildKey` from.
     */
    constructor(obj?: Scalar);
    /** Derives a ChildKey from a Scalar.
     *  @returns A new ChildKey instance derived from the provided Scalar.
     */
    toBlindingKey(): Scalar;
    /** Derives a TokenKey from a ChildKey.
     *  @returns A new TokenKey instance derived from the ChildKey.
     */
    toTokenKey(): Scalar;
    /** Derives a TxKey from a ChildKey.
     *  @returns A new TxKey instance derived from the ChildKey.
     */
    toTxKey(): TxKey;
}