/**
 * IndexerService - Abstract base class for blockchain indexer services
 *
 * Defines the interface that all indexer implementations must follow.
 * Each implementation handles service-specific API endpoints, query parameters, and response formats.
 */
import { Utxo } from 'js-1sat-ord';
import { VersionMetadata } from '../versioningInscriptionHandler.js';
export type GorillaPoolUtxo = {
    outpoint: string;
    height: number;
    idx: number;
    satoshis: number;
    script: string;
    owners: string[];
    data: Record<string, any>;
    score: number;
};
export type UtxoQueryOptions = {
    unspentValue: number;
    estimateSize: number;
    feePerKb: number;
    additional: number;
};
/**
 * Browser-compatible indexer configuration
 *
 * Provides basic indexer information for use in browser contexts.
 * The browser typically uses the content URL to fetch inscriptions directly.
 */
export interface BrowserIndexerConfig {
    /** Display name of the indexer service */
    name: string;
    /** Base URL for API calls */
    baseUrl: string;
    /** Content delivery URL (where inscribed files are served from) */
    contentUrl: string;
}
/**
 * Abstract base class for indexer services
 *
 * Implementations must provide:
 * - Endpoint-specific URL construction
 * - Request formatting (query params, headers, etc.)
 * - Response parsing and normalization
 */
export declare abstract class IndexerService {
    protected baseUrl: string;
    protected contentUrl: string;
    constructor(baseUrl: string, contentUrl: string);
    /**
     * Fetch the latest inscription in an origin chain using standard content delivery endpoint
     * Uses /content/<origin>?seq=-1 pattern which works across all ordinals service providers
     *
     * @param origin - The origin outpoint (txid_vout)
     * @returns The latest version metadata, or null if not found/spent
     */
    abstract fetchLatestVersionMetadata(origin: string, includeUtxo: boolean): Promise<{
        metadata: VersionMetadata;
        utxo: Utxo | null;
    }>;
    /**
     * Broadcast a raw transaction to the network
     *
     * @param rawTxHex - Raw transaction in hex format
     * @returns Transaction ID of the broadcast transaction
     */
    abstract broadcastTransaction(rawTxHex: string): Promise<string>;
    /**
     * List unspent transaction outputs for an address
     *
     * @param address - Bitcoin address
     * @param options - Query options (optional)
     * @param type - Filter by UTXO type: 'pay' (>1 sat), 'ordinal' (1 sat), or undefined (all)
     * @returns Array of unspent UTXOs
     */
    abstract listUnspent(address: string, options?: UtxoQueryOptions): Promise<Utxo[]>;
    /**
     * Get the base URL for this indexer service
     */
    getBaseUrl(): string;
}
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