export declare const signTransactions: (groups: import("algosdk").Transaction[][], signer: import("./signing.ts").TransactionSigner, options?: import("./signing.ts").SignOptions) => Promise; export declare const signAndSendTransactions: (groups: import("algosdk").Transaction[][], signer: import("./signing.ts").TransactionSigner, options?: import("./signing.ts").SignOptions) => Promise;