import type { Device, ChainId, Chain, WalletInit, WalletModule, ChainWithDecimalId, DeviceNotBrowser } from '@web3-onboard/common';
import type { ChainStyle, ConnectedChain, NotifyEventStyles } from './types.js';
import type { Chain as ViemChain } from 'viem';
export declare function getDevice(): Device | DeviceNotBrowser;
export declare const notNullish: <T>(value: T | null | undefined) => value is T;
export declare function isSVG(str: string): boolean;
export declare function shortenAddress(add: string): string;
export declare function shortenDomain(domain: string): string;
export declare function copyWalletAddress(text: string): Promise<void>;
export declare const toHexString: (val: number | string) => string;
export declare function chainIdToHex(chains: (Chain | ChainWithDecimalId)[]): Chain[];
export declare function gweiToWeiHex(gwei: number): string;
export declare const chainIdToLabel: Record<string, string>;
export declare function validEnsChain(chainId: ChainId): string | null;
export declare const chainIdToViemENSImport: (chainId: string) => Promise<ViemChain | null>;
export declare const networkToChainId: Record<string, ChainId>;
export declare const chainStyles: Record<string, ChainStyle>;
export declare const unrecognizedChainStyle: {
    icon: string;
    color: string;
};
export declare function getDefaultChainStyles(chainId: string): ChainStyle | undefined;
export declare function connectedToValidAppChain(walletConnectedChain: ConnectedChain, chains: Chain[]): boolean;
export declare function initializeWalletModules(modules: WalletInit[], device: Device): WalletModule[];
export declare const defaultNotifyEventStyles: Record<string, NotifyEventStyles>;
export declare const wait: (time: number) => Promise<void>;
export declare function getLocalStore(key: string): string | null;
export declare function setLocalStore(key: string, value: string): void;
export declare function delLocalStore(key: string): void;