import { type Address, type Chain, type WalletClient } from 'viem';
import type { Connector, ConnectorEvents, ConnectorMetadata, ConnectorOptions, ConnectorType } from './types.js';
/**
 * 连接器基类
 * 提供通用的事件处理和基础功能实现
 */
export declare abstract class BaseConnector implements Connector {
    abstract readonly id: string;
    abstract readonly name: string;
    abstract readonly type: ConnectorType;
    readonly icon?: string;
    protected chains: Chain[];
    protected options: ConnectorOptions;
    private listeners;
    constructor(options?: ConnectorOptions);
    /**
     * 连接器是否准备就绪
     */
    abstract get ready(): boolean;
    /**
     * 连接钱包
     */
    abstract connect(chainId?: number): Promise<{
        address: Address;
        chainId: number;
    }>;
    /**
     * 断开连接
     */
    abstract disconnect(): Promise<void>;
    /**
     * 获取账户地址
     */
    abstract getAccount(): Promise<Address>;
    /**
     * 获取链 ID
     */
    abstract getChainId(): Promise<number>;
    /**
     * 获取 WalletClient 实例
     */
    abstract getWalletClient(config?: {
        chainId?: number;
    }): Promise<WalletClient>;
    /**
     * 切换链
     */
    switchChain?(_chainId: number): Promise<void>;
    /**
     * 检查是否已授权连接
     */
    abstract isAuthorized(): Promise<boolean>;
    /**
     * 设置连接器
     */
    setup?(): Promise<void>;
    /**
     * 获取元数据
     */
    getMetadata(): ConnectorMetadata;
    /**
     * 监听事件
     */
    on<K extends keyof ConnectorEvents>(event: K, listener: ConnectorEvents[K]): void;
    /**
     * 取消监听
     */
    off<K extends keyof ConnectorEvents>(event: K, listener: ConnectorEvents[K]): void;
    /**
     * 触发事件
     */
    protected emit<K extends keyof ConnectorEvents>(event: K, ...args: ConnectorEvents[K] extends (...args: infer P) => void ? P : never): void;
    /**
     * 获取支持的链
     */
    protected getChain(chainId: number): Chain | undefined;
    /**
     * 创建 WalletClient 辅助方法
     */
    protected createWalletClient(provider: unknown, chain?: Chain, account?: Address): WalletClient;
    /**
     * 标准化链 ID
     */
    protected normalizeChainId(chainId: string | number | bigint): number;
}