import { Chain, Transport } from "viem";
import { AvalancheCoreClient as Client } from "../../clients/createAvalancheCoreClient.js";
import { GetHeightReturnType } from "./types/getHeight.js";
/**
 * Get the height of the blockchain.
 *
 * - Docs: https://build.avax.network/docs/api-reference/x-chain/api#avmgetheight
 *
 * @param client - The client to use. {@link AvalancheCoreClient}
 * @returns The height of the blockchain. {@link GetHeightReturnType}
 *
 * @example
 * ```ts
 * import { createAvalancheCoreClient } from '@avalanche-sdk/client'
 * import { avalanche } from '@avalanche-sdk/client/chains'
 * import { getHeight } from '@avalanche-sdk/client/methods/xChain'
 *
 * const client = createAvalancheCoreClient({
 *   chain: avalanche,
 *   transport: {
 *     type: "http",
 *     url: "<url>",
 *   },
 * })
 *
 * const height = await getHeight(client)
 * ```
 */
export declare function getHeight<chain extends Chain | undefined>(client: Client<Transport, chain>): Promise<GetHeightReturnType>;
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