import type { Connection, PublicKey, Signer, TransactionError } from '@cartbc/web3.js';
/**
 * Amount as a string using mint-prescribed decimals
 *
 * @param connection         Connection to use
 * @param payer              Payer of the transaction fees
 * @param mint               Mint for the account
 * @param amount             Amount of tokens to be converted to Ui Amount
 * @param programId          CPL Token program account
 *
 * @return Ui Amount generated
 */
export declare function amountToUiAmount(connection: Connection, payer: Signer, mint: PublicKey, amount: number | bigint, programId?: PublicKey): Promise<string | TransactionError | null>;
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