export type Transfer = AssetTransfer | CollectibleTransfer;
export type AssetTokenType = "erc20" | "native";
export type CollectibleTokenType = "erc721" | "erc1155";
export type AssetTransfer = {
    token_type: AssetTokenType;
    receiver: string;
    amount: string;
    tokenAddress: string | null;
    decimals: number;
    symbol?: string;
    receiverEnsName: string | null;
    position?: number;
};
export type CollectibleTransfer = {
    token_type: CollectibleTokenType;
    from: string;
    receiver: string;
    tokenAddress: string;
    tokenId: string;
    tokenName?: string;
    amount?: string;
    receiverEnsName: string | null;
};
export type UnknownTransfer = {
    token_type: "unknown";
};
export type BaseTransaction = {
    to: string;
    value: string;
    data: string;
};
export declare function buildMetaTransactions(transfers: Transfer[]): BaseTransaction[];
export declare function buildAssetTransfer(transfer: AssetTransfer): BaseTransaction;
export declare function buildCollectibleTransfer(transfer: CollectibleTransfer): BaseTransaction;