import { Keypair } from '@solana/web3.js';
/**
 * Solana keyring for managing multiple Solana accounts
 * derived from a single mnemonic phrase using BIP-44 derivation paths.
 * Supports Solana blockchain with Ed25519 keypairs.
 */
export declare class SolanaKeyring {
    readonly type = "Solana";
    private keypairs;
    accounts: string[];
    private mnemonic;
    /**
     * Creates a new SolanaKeyring instance from a mnemonic phrase.
     * @param mnemonic - The mnemonic phrase (12, 15, 18, 21, or 24 words)
     * @throws Error if the mnemonic is invalid
     */
    constructor(mnemonic: string);
    /**
     * Initializes the keyring by generating the seed and creating the first account.
     * @param mnemonic - The mnemonic phrase to initialize from
     */
    private initializeFromMnemonic;
    /**
     * Derives a Solana keypair at a specific index using BIP-44 derivation.
     * @param seed - The seed buffer to derive from
     * @param index - The account index to derive (0-based)
     * @returns The derived Solana keypair
     */
    private deriveKeypair;
    /**
     * Adds a new Solana account derived from the mnemonic at the next available index.
     * @returns Promise resolving to the public key address of the newly created account
     * @throws Error if account derivation fails or duplicate address is generated
     */
    addNewAccount(): Promise<string>;
    /**
     * Gets the private key for a given address managed by this keyring.
     * @param address - The account's public key address to get the private key for
     * @returns Promise resolving to the private key as a hex string
     * @throws Error if the address is not found in this keyring
     */
    getPrivateKeyForAddress(address: string): Promise<string>;
    /**
     * Returns the mnemonic phrase. USE WITH CAUTION - this exposes sensitive data.
     * @returns The mnemonic phrase as a string
     */
    getMnemonic(): string;
    /**
     * Serializes the keyring data for encryption and storage.
     * @returns An object containing the keyring type and mnemonic
     */
    serialize(): any;
    /**
     * Deserializes data into a SolanaKeyring instance.
     * @param data - The serialized keyring data
     * @returns Promise resolving to a new SolanaKeyring instance
     * @throws Error if the data is invalid or missing required fields
     */
    static deserialize(data: any): Promise<SolanaKeyring>;
    /**
     * Gets the Solana keypair for a given address.
     * @param address - The account's public key address
     * @returns The Solana keypair or undefined if not found
     */
    getKeypair(address: string): Keypair | undefined;
    /**
     * Gets all keypairs managed by this keyring.
     * @returns Array of all Solana keypairs
     */
    getAllKeypairs(): Keypair[];
}