import algosdk from "algosdk";
import { TealSource } from "./types";
import { TransactionSignerAccount } from '@algorandfoundation/algokit-utils/types/account';
export declare const sha256: (data: Uint8Array | Buffer) => Uint8Array;
export declare function getTealSourceMapForTxn(txn: algosdk.EncodedSignedTransaction): TealSource;
export declare function setTealSourceMapForTxn(programHash: string, tealSource: TealSource): void;
export declare function Assert(value: boolean, message: string): asserts value is true;
export declare function AssertDefined<T>(value: T | undefined | null, message: string): asserts value is T;
export declare function getTransactionSignerFromMnemonic(mnemonic: string): TransactionSignerAccount;
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