import type { EsploraBlock } from '../../types.js';
import type { HttpRequest } from '../http.js';
import type { EsploraProtocol } from './protocol.js';
/**
 * Block-related Esplora REST API operations.
 *
 * Note: The Esplora API always returns the same block format regardless
 * of any "verbosity" setting (unlike Bitcoin Core RPC).  Use the RPC
 * client if you need verbosity-controlled block responses.
 */
export declare class BitcoinBlock {
    private readonly protocol;
    private readonly exec;
    constructor(protocol: EsploraProtocol, exec: (req: HttpRequest) => Promise<any>);
    /**
     * Returns the blockheight of the most-work fully-validated chain.
     * @returns {Promise<number>} The current block height.
     */
    count(): Promise<number>;
    /**
     * Returns the Esplora block data for a given blockhash or height.
     * @param {object} params The block hash or height.
     * @param {string} [params.blockhash] The blockhash of the block to query.
     * @param {number} [params.height] The block height of the block to query.
     * @returns {Promise<EsploraBlock | undefined>} The block data.
     * @throws {BitcoinRestError} If neither blockhash nor height is provided.
     */
    get({ blockhash, height }: {
        blockhash?: string;
        height?: number;
    }): Promise<EsploraBlock | undefined>;
    /**
     * Get the block hash for a given block height.
     * See {@link https://github.com/blockstream/esplora/blob/master/API.md#get-block-heightheight | Esplora GET /block-height/:height } for details.
     * @param {number} height The block height (required).
     * @returns {Promise<string>} The hash of the block at the given height.
     */
    getHash(height: number): Promise<string>;
}
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