/**
 * @iota-big3/sdk-blockchain - Clean DeFi Protocols Manager
 * DeFi protocol integration and management
 */
import { EventEmitter } from 'events';
import type { BlockchainHealthResult, IBlockchainManager, LiquidityParams, SwapParams, TransactionReceipt } from '../types';
export declare class DeFiProtocolsManager extends EventEmitter implements IBlockchainManager {
    isEnabled: boolean;
    private supportedProtocols;
    private initialized;
    constructor();
    initialize(): Promise<void>;
    executeSwap(params: SwapParams, protocol?: string): Promise<TransactionReceipt>;
    addLiquidity(params: LiquidityParams, protocol?: string): Promise<TransactionReceipt>;
    removeLiquidity(tokenA: string, tokenB: string, liquidity: string, recipient: string, protocol?: string): Promise<TransactionReceipt>;
    getQuote(tokenIn: string, tokenOut: string, amountIn: string, protocol?: string): Promise<{
        amountOut: string;
        priceImpact: number;
    }>;
    getPoolInfo(tokenA: string, tokenB: string, protocol?: string): Promise<any>;
    getSupportedProtocols(): string[];
    getProtocolInfo(protocol: string): any;
    isProtocolSupported(protocol: string): boolean;
    getHealth(): Promise<BlockchainHealthResult>;
    getMetrics(): {
        totalTransactions: number;
        successfulTransactions: number;
        failedTransactions: number;
        averageGasUsed: string;
        totalValueTransferred: string;
        activeWallets: number;
    };
    shutdown(): Promise<void>;
}
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