import { type Cell } from '@ton/core';
import { type BytesLike } from 'ethers';
import { type EVMExtraArgsV2, type ExtraArgs, type SVMExtraArgsV1, type SuiExtraArgsV1 } from '../extra-args.ts';
/**
 * Encodes extraArgs as a Cell.
 *
 * Supports three formats based on the destination chain:
 * - GenericExtraArgsV2 (EVMExtraArgsV2) for EVM/TON/Aptos destinations
 * - SVMExtraArgsV1 for Solana destinations
 * - SuiExtraArgsV1 for Sui destinations
 *
 * @param extraArgs - Extra arguments for CCIP message
 * @returns Cell encoding the extra arguments
 * @throws {@link CCIPExtraArgsInvalidError} if extraArgs format is invalid
 */
export declare function encodeExtraArgsCell(extraArgs: ExtraArgs): Cell;
/**
 * Decodes extraArgs from a BytesLike value in the legacy EVM/TON format (EVMExtraArgsV2).
 * Returns undefined if the format is invalid or does not match EVMExtraArgsV2.
 */
export declare function decodeLegacyEVMTONExtraArgs(extraArgs: BytesLike): (EVMExtraArgsV2 & {
    _tag: 'EVMExtraArgsV2';
}) | undefined;
/**
 * Decodes extraArgs from a TON Cell.
 * Returns undefined if the format is invalid or does not match any known extraArgs format.
 */
export declare function decodeTONExtraArgsCell(cell: Cell): (EVMExtraArgsV2 & {
    _tag: 'EVMExtraArgsV2';
}) | (SVMExtraArgsV1 & {
    _tag: 'SVMExtraArgsV1';
}) | (SuiExtraArgsV1 & {
    _tag: 'SuiExtraArgsV1';
}) | undefined;
//# sourceMappingURL=extra-args.d.ts.map