import { AlgorandChainIDs } from "./peraWalletTypes";
import { PeraNetwork } from "../transport/extension/peraProviderTypes";
/** The WalletConnect method use-wallet defines for empty signatures (TxnLab/use-wallet#465). */
export declare const EMPTY_SIGNATURES_METHOD = "algo_getEmptySignatures";
/** Matches use-wallet. Pera apps without the method drop it silently, so this is the only exit. */
export declare const EMPTY_SIGNATURES_TIMEOUT_MS = 30000;
/** `algorand:` plus the first 32 characters of the base64url genesis hash, as use-wallet sends them. */
export declare const EMPTY_SIGNATURES_CAIP2_CHAIN_IDS: Record<PeraNetwork, string>;
/** Plain-JS callers bypass the type, so the value is checked at runtime. */
export declare function assertEmptySignaturesNetwork(network: unknown): asserts network is PeraNetwork | undefined;
/**
 * The network to ask about: the argument if given, otherwise the one the
 * `chainId` option pins. A WalletConnect v1 session's chainId only echoes what
 * the dApp asked for, so an all-networks session (`4160`, the default) can't
 * tell which network the wallet is on.
 */
export declare function resolveEmptySignaturesNetwork(network: PeraNetwork | undefined, chainId: AlgorandChainIDs | undefined): PeraNetwork;
/**
 * Keeps the wallet's answer for the session's own accounts, where the value is
 * standard base64. Anything else is left out, which use-wallet treats as unknown.
 */
export declare function filterEmptySignatures(result: unknown, accounts: readonly string[]): Record<string, string>;
/** Rejects with `onTimeout()` after `ms`, and always clears its timer. */
export declare function withTimeout<T>(promise: Promise<T>, ms: number, onTimeout: () => Error): Promise<T>;