import { Dispatch } from 'react';
import { DeltaStatic } from 'quill';
export declare function typedData(address: string, chainId: number): {
    types: {
        EIP712Domain: {
            name: string;
            type: string;
        }[];
        Login: {
            name: string;
            type: string;
        }[];
    };
    primaryType: string;
    domain: {
        name: string;
        version: string;
        chainId: number;
    };
    message: {
        account: string;
        message: string;
    };
};
export declare const isMetamaskInstalled: () => boolean;
export declare const isArConnectInstalled: () => boolean;
export declare function floatToString(num: number, decimal: number): string;
export declare function composeProviders(...providers: any): ({ children }: {
    children: JSX.Element;
}) => any;
export declare function getPureContent(content: string): string;
export declare function convertJsonKey(obj: any, ...keyTransformers: ((value: string) => string)[]): any;
export declare function convertJsonKeyToCamel(json: any, ...keyTransformers: ((value: string) => string)[]): any;
export declare function serverDateToString(dateStr: string): string;
export declare function formatNumber(num: number): string;
export declare function addItemToSetState<T>(item: T, set: Set<T>, dispatch: Dispatch<Set<T>>): void;
export declare function removeItemFromSetState<T>(item: T, set: Set<T>, dispatch: Dispatch<Set<T>>): void;
export declare const EMPTY_DELTA: () => DeltaStatic;
declare global {
    interface Array<T> {
        last(): T;
    }
}
export declare const sleep: (ms: number) => Promise<unknown>;
export declare const formatSiteName: (originSiteName: string) => string;