import { type Address, type Hex } from 'viem';
/** Pack (root, accountId) into a 21-byte hex (bytes21). */
export declare function packAccount(root: Address, accountId: number): Hex;
/** Pack (root, accountId, tokenId, marketId) into a 26-byte hex (bytes26). */
export declare function packMarketAcc(root: Address, accountId: number, tokenId: number, marketId: number): Hex;
/** Inverse of packMarketAcc — split a 26-byte marketAcc into its components. */
export interface UnpackedMarketAcc {
    root: Address;
    accountId: number;
    tokenId: number;
    marketId: number;
    isCross: boolean;
}
export declare function unpackMarketAcc(marketAcc: string): UnpackedMarketAcc;
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