import { Connection, ParsedTransactionWithMeta } from '@solana/web3.js';
export declare type OptionsFetchSignature = {
    limit?: number;
    lastSignature?: string;
    secondFrom?: number;
    secondTo?: number;
};
export declare class SolanaExplorer {
    private conn;
    constructor(conn: Connection);
    private fetchSignatures;
    private fetchConfirmTransaction;
    fetchTransactions(programId: string, options: OptionsFetchSignature): Promise<ParsedTransactionWithMeta[]>;
}