import { Connection, Keypair, PublicKey } from "@solana/web3.js";
import { AccountState } from "@solana/spl-token";
export declare class TokenAccount {
    connection: Connection;
    mint: PublicKey;
    owner: PublicKey;
    constructor(connection: Connection, mint: PublicKey, owner: PublicKey);
    /**
     * Create a standard token account
     *
     * @param payer - Transaction fee payer
     * @returns Token account information
     */
    createAccount(payer: Keypair): Promise<{
        tokenAccount: PublicKey;
        tokenAccountKeypair: Keypair;
        signature: string;
    }>;
    /**
     * Create a token account with immutable owner extension
     *
     * @param payer - Transaction fee payer
     * @returns Token account information
     */
    createAccountWithImmutableOwner(payer: Keypair): Promise<{
        tokenAccount: PublicKey;
        tokenAccountKeypair: Keypair;
        signature: string;
    }>;
    /**
     * Create an Associated Token Account
     * Note: ATAs already have immutable owner built-in
     *
     * @param payer - Transaction fee payer
     * @returns Token account information
     */
    createAssociatedTokenAccount(payer: Keypair): Promise<{
        tokenAccount: PublicKey;
        signature: string;
    }>;
    /**
     * Create a token account with immutable owner using the helper function
     * Alternative method using the SPL-token helper
     *
     * @param payer - Transaction fee payer
     * @returns Token account information
     */
    createAccountWithImmutableOwnerAlt(payer: Keypair): Promise<{
        tokenAccount: PublicKey;
        signature: string;
    }>;
    /**
     * Create an account with default state
     * This allows setting a default state for the account (e.g., frozen)
     *
     * @param payer - Transaction fee payer
     * @param state - Default account state
     * @returns Token account information
     */
    createAccountWithDefaultState(payer: Keypair, state: AccountState): Promise<{
        tokenAccount: PublicKey;
        tokenAccountKeypair: Keypair;
        signature: string;
    }>;
}