import { DataModel } from "./types.js";
/**
 * Parse a tab-separated intermediate format into DataModel.
 *
 * Base fields
 * - Field 0: invoiceId
 * - Field 1: paymentsCount
 *
 * Payment block (repeated `paymentsCount` times)
 * - Field +0: type
 * - Field +1: amount
 * - Field +2: currencyCode
 * - Field +3: paymentDueDate (YYYYMMDD)
 * - Field +4: variableSymbol
 * - Field +5: constantSymbol
 * - Field +6: specificSymbol
 * - Field +7: originatorsReferenceInformation
 * - Field +8: paymentNote
 * - Field +9: bankAccountsCount
 *
 * Bank account block (nested, repeated `bankAccountsCount` times)
 * - Field +0: iban
 * - Field +1: bic
 *
 * Standing order extension
 * - Field +X: standingOrderExt ("0" | "1")
 *   - if "1":
 *     - Field +1: day
 *     - Field +2: month (classifier sum)
 *     - Field +3: periodicity
 *     - Field +4: lastDate (YYYYMMDD)
 *
 * Direct debit extension
 * - Field +Y: directDebitExt ("0" | "1")
 *   - if "1":
 *     - Field +1: directDebitScheme
 *     - Field +2: directDebitType
 *     - Field +3: variableSymbol
 *     - Field +4: specificSymbol
 *     - Field +5: originatorsReferenceInformation
 *     - Field +6: mandateId
 *     - Field +7: creditorId
 *     - Field +8: contractId
 *     - Field +9: maxAmount
 *     - Field +10: validTillDate
 *
 * Beneficiary block (repeated per payment)
 * - Field +0: beneficiaryName
 * - Field +1: beneficiaryStreet
 * - Field +2: beneficiaryCity
 *
 * @see 3.14
 * @see Table 15
 */
export declare function deserialize(tabString: string): DataModel;
/**
 * Decoding client data from QR Code 2005 symbol
 *
 * Input binary structure (after base32hex decoding):
 * ```
 * +------------------+------------------+-----------------------------+
 * |     2 bytes      |     2 bytes      |          Variable           |
 * +------------------+------------------+-----------------------------+
 * | Bysquare Header  | Payload Length   |         LZMA Body           |
 * | (4 nibbles)      | (little-endian)  |  (compressed CRC+payload)   |
 * +------------------+------------------+-----------------------------+
 * ```
 *
 * After LZMA decompression:
 * ```
 * +------------------+---------------------------+
 * |      4 bytes     |        Variable           |
 * +------------------+---------------------------+
 * | CRC32 Checksum   | Tab-separated payload     |
 * | (little-endian)  | (UTF-8 encoded)           |
 * +------------------+---------------------------+
 * ```
 *
 * @see 3.16.
 * @param qr base32hex encoded bysquare binary data
 */
export declare function decode(qr: string): DataModel;