import EventEmitter from 'eventemitter3';
import { PublicKey, Transaction } from '@solana/web3.js';
export default abstract class WalletAdapter extends EventEmitter {
    abstract get publicKey(): PublicKey | null;
    abstract get connected(): boolean;
    abstract connect(): Promise<void>;
    abstract disconnect(): Promise<void>;
    abstract signTransaction(transaction: Transaction): Promise<Transaction>;
    abstract signAllTransactions(transactions: Transaction[]): Promise<Transaction[]>;
    abstract signMessage(data: Uint8Array, display: 'hex' | 'utf8'): Promise<Uint8Array>;
}