/**
 * This key derivation code was copied and adapted from:
 *   https://github.com/alepop/ed25519-hd-key/blob/master/src/index.ts
 * in order to remove js-nacl dependency which caused browser errors with
 * content-security-policy - see #12 for details. This modified implementation
 * is a pure JS implementation.
 *
 * The original ed25519-hd-key module is licensed under "GPL-3".
 */
export interface KeyData {
    key: Buffer;
    chainCode: Buffer;
}
export declare const derivePath: (path: string, seed: string) => KeyData;