import { FirstUpdateAfterBlock, LastRetireModel, PoolsModel } from './types';
import { Logger } from 'ts-log';
import { Pool } from 'pg';
export declare class BlockfrostCacheBuilder {
    #private;
    constructor(db: Pool, logger: Logger);
    getCurrentEpoch(): Promise<number>;
    getFirstUpdateAfterBlock(id: string, blockNo: number): Promise<FirstUpdateAfterBlock | undefined>;
    getLastRetire(id: string): Promise<LastRetireModel | undefined>;
    getPools(cacheTtl: number): Promise<PoolsModel[]>;
}
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