/**
 * Bitcoin Connector Implementation
 * Phase 2g - Safe feature enhancement with Bitcoin support
 */
import { EventEmitter } from 'events';
import type { BlockchainHealthResult, BlockchainMetrics } from '../types';
import type { AddressType, BitcoinBlock, BitcoinConfig, FeeEstimate, IBitcoinManager, LightningChannel, LightningInvoice, MultisigAddress, PSBT, PSBTOptions, SendTransactionParams, TransactionInput, TransactionOutput, UTXO } from './types';
export declare class BitcoinConnector extends EventEmitter implements IBitcoinManager {
    isEnabled: boolean;
    private network;
    private utxoCache;
    private balanceCache;
    private cacheTimeout;
    constructor(config: BitcoinConfig);
    initialize(): Promise<void>;
    generateAddress(type: AddressType): Promise<string>;
    validateAddress(address: string): Promise<boolean>;
    getUTXOs(address: string): Promise<UTXO[]>;
    selectUTXOs(utxos: UTXO[], amount: number): Promise<UTXO[]>;
    sendTransaction(params: SendTransactionParams): Promise<string>;
    createPSBT(options: PSBTOptions): Promise<PSBT>;
    signPSBT(psbt: any, _privateKey: string): Promise<any>;
    broadcastTransaction(_hex: string): Promise<string>;
    estimateFee(params: SendTransactionParams): Promise<number>;
    getFeeRates(): Promise<FeeEstimate>;
    getBalance(address: string): Promise<number>;
    batchGetBalances(addresses: string[]): Promise<number[]>;
    createMultisig(params: {
        pubkeys: string[];
        m: number;
        network?: string;
    }): Promise<MultisigAddress>;
    createMultisigPSBT(params: {
        multisig: MultisigAddress;
        inputs: TransactionInput[];
        outputs: TransactionOutput[];
    }): Promise<PSBT>;
    getNetwork(): string;
    getBlockHeight(): Promise<number>;
    getBlock(hashOrHeight: string | number): Promise<BitcoinBlock>;
    lightning: {
        createInvoice(params: {
            amount: number;
            description: string;
            expiry?: number;
        }): Promise<LightningInvoice>;
        decodeInvoice(_paymentRequest: string): Promise<LightningInvoice>;
        payInvoice(_paymentRequest: string): Promise<{
            paymentHash: string;
        }>;
        listChannels(): Promise<LightningChannel[]>;
    } | undefined;
    reinitialize(): Promise<void>;
    checkHealth(): Promise<BlockchainHealthResult>;
    getMetrics(): BlockchainMetrics;
    shutdown(): Promise<void>;
    getHealth(): Promise<BlockchainHealthResult>;
}
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