import { MetaTransaction } from "@gnosis.pm/safe-contracts";
export declare type JsonMetaTransaction = Record<keyof Omit<MetaTransaction, "operation">, string> & {
    operation: number;
};
export declare function transformMetaTransaction(tx: MetaTransaction): JsonMetaTransaction;
export declare function groupMultipleTransactions(proposalSteps: MetaTransaction[][], multisendAddress: string): MetaTransaction[];