import EventEmitter from 'eventemitter3';
import { PublicKey, SendOptions } from '@solana/web3.js';
import { SolflareIframeMessage } from '../types';
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(message: Uint8Array): Promise<Uint8Array>;
    abstract signAllTransactions(messages: Uint8Array[]): Promise<Uint8Array[]>;
    abstract signAndSendTransaction(transaction: Uint8Array, options?: SendOptions): Promise<string>;
    abstract signMessage(data: Uint8Array, display: 'hex' | 'utf8'): Promise<Uint8Array>;
    abstract handleMessage(data: SolflareIframeMessage): void;
}