/// <reference types="node" />
/// <reference types="node" />
/**
 * The Bitcon hardware app uses a descriptors-like thing to describe
 * how to construct output scripts from keys. A "Wallet Policy" consists
 * of a "Descriptor Template" and a list of "keys". A key is basically
 * a serialized BIP32 extended public key with some added derivation path
 * information. This is documented at
 * https://github.com/LedgerHQ/app-bitcoin-new/blob/master/doc/wallet.md
 */
export declare class WalletPolicy {
    readonly name: string;
    readonly descriptorTemplate: string;
    readonly keys: readonly string[];
    /**
     * Creates and instance of a wallet policy.
     * @param name an ascii string, up to 16 bytes long; it must be an empty string for default wallet policies
     * @param descriptorTemplate the wallet policy template
     * @param keys and array of the keys, with the key derivation information
     */
    constructor(name: string, descriptorTemplate: string, keys: readonly string[]);
    /**
     * Returns the unique 32-bytes id of this wallet policy.
     */
    getId(): Buffer;
    /**
     * Serializes the wallet policy for transmission via the hardware wallet protocol.
     * @returns the serialized wallet policy
     */
    serialize(): Buffer;
}
export type DefaultDescriptorTemplate = 'pkh(@0/**)' | 'sh(wpkh(@0/**))' | 'wpkh(@0/**)' | 'tr(@0/**)';
/**
 * Simplified class to handle default wallet policies that can be used without policy registration.
 */
export declare class DefaultWalletPolicy extends WalletPolicy {
    constructor(descriptorTemplate: DefaultDescriptorTemplate, key: string);
}