import { SupportedNetwork, TxId, UTXO } from '../globalTypes.js';
import { ChainProvider } from './chainProvider.js';
import { UtxoProvider, UtxoQueryOptions } from './utxoProvider.js';
/**
 * The OpenApiProvider is backed by [OP_CAT Layer OpenAPI]{@link https://openapi.opcatlabs.io}
 * @category Provider
 */
export declare class OpenApiProvider implements ChainProvider, UtxoProvider {
    readonly network: SupportedNetwork;
    private readonly options?;
    private broadcastedTxs;
    private spentUTXOs;
    private newUTXOs;
    private apiBaseUrl;
    constructor(network: SupportedNetwork, options?: {
        apiBaseUrl: string;
    });
    getNetwork(): Promise<SupportedNetwork>;
    getUtxos(address: string, _options?: UtxoQueryOptions): Promise<UTXO[]>;
    private isUnSpent;
    markSpent(txId: string, vout: number): void;
    addNewUTXO(utxo: UTXO): void;
    getFeeRate(): Promise<number>;
    getConfirmations(txId: string): Promise<number>;
    private _broadcast;
    private _getTipHeight;
    private _getConfirmations;
    broadcast(txHex: string): Promise<TxId>;
    broadcastPsbt(psbtBase64: string, metadata?: Record<string, unknown>): Promise<TxId>;
    getRawTransaction(txId: string): Promise<string>;
    private _getRawTransaction;
    getMedianTime(): Promise<number>;
}
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