/**
 * MultiChainConnector - Manages connections to multiple blockchains
 * Phase 2g: Added integration support
 */
import { EventEmitter } from 'events';
import type { BlockchainConfig, BlockchainHealthResult, ChainId, TransactionParams, TransactionReceipt } from '../types';
export declare class MultiChainConnector extends EventEmitter {
    isEnabled: boolean;
    private providers;
    private currentChain;
    private config;
    private initialized;
    private eventBus?;
    private database?;
    private performanceManager?;
    private features;
    constructor(config: BlockchainConfig);
    initialize(): Promise<void>;
    switchChain(chainId: ChainId): Promise<void>;
    sendTransaction(params: TransactionParams): Promise<TransactionReceipt>;
    getBlockNumber(): Promise<number>;
    getBalance(address: string): Promise<string>;
    estimateGas(_params: TransactionParams): Promise<string>;
    waitForTransaction(txHash: string, _confirmations?: number): Promise<TransactionReceipt>;
    getGasPrice(): Promise<string>;
    getTransactionHistory(address: string): Promise<any[]>;
    getCurrentChain(): ChainId;
    getSupportedChains(): ChainId[];
    isChainSupported(chainId: ChainId): boolean;
    getProvider(chainId?: ChainId): any;
    destroy(): Promise<void>;
    reinitialize(): Promise<void>;
    isInitialized(): boolean;
    checkHealth(): Promise<BlockchainHealthResult>;
    getHealth(): Promise<BlockchainHealthResult>;
    shutdown(): Promise<void>;
    getMetrics(): {
        totalTransactions: number;
        successfulTransactions: number;
        failedTransactions: number;
        averageGasUsed: string;
        totalValueTransferred: string;
        activeWallets: number;
    };
    private createProvider;
    private emitEvent;
    private storeTransaction;
    private getDefaultAddress;
}
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