/**
 * @iota-big3/sdk-blockchain - Clean Web3 Auth Manager
 * Web3 authentication and wallet connection management
 */
import { EventEmitter } from 'events';
import type { BlockchainHealthResult, ChainId, IBlockchainManager, Web3AuthConfig, Web3Session } from '../types';
export declare class Web3AuthManager extends EventEmitter implements IBlockchainManager {
    isEnabled: boolean;
    private config;
    private session;
    private initialized;
    constructor(config: Web3AuthConfig);
    initialize(): Promise<void>;
    connectWallet(): Promise<Web3Session>;
    disconnectWallet(): Promise<void>;
    switchChain(chainId: ChainId): Promise<void>;
    signMessage(message: string): Promise<string>;
    getSession(): Web3Session | null;
    isConnected(): boolean;
    getCurrentChain(): ChainId | null;
    getHealth(): Promise<BlockchainHealthResult>;
    getMetrics(): {
        totalTransactions: number;
        successfulTransactions: number;
        failedTransactions: number;
        averageGasUsed: string;
        totalValueTransferred: string;
        activeWallets: number;
    };
    shutdown(): Promise<void>;
}
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