import { StarknetModule } from "../StarknetModule";
export type StarknetBlockTag = "pending" | "latest";
export declare class StarknetBlocks extends StarknetModule {
    private BLOCK_CACHE_TIME;
    private blockCache;
    /**
     * Initiates fetch of a given block & saves it to cache
     *
     * @private
     * @param blockTag
     */
    private fetchAndSaveBlockTime;
    /**
     * Gets the block for a given blocktag, with caching
     *
     * @param blockTag
     */
    getBlockTime(blockTag: StarknetBlockTag): Promise<number>;
}