import { Env, IFeeds, IMessageIPFSWithCID, IUser, ParticipantStatus } from '@pushprotocol/restapi';
import { Group, IChatPreviewPayload } from '../exportedTypes';
export declare const profilePicture = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAAvklEQVR4AcXBsW2FMBiF0Y8r3GQb6jeBxRauYRpo4yGQkMd4A7kg7Z/GUfSKe8703fKDkTATZsJsrr0RlZSJ9r4RLayMvLmJjnQS1d6IhJkwE2bT13U/DBzp5BN73xgRZsJMmM1HOolqb/yWiWpvjJSUiRZWopIykTATZsJs5g+1N6KSMiO1N/5DmAkzYTa9Lh6MhJkwE2ZzSZlo7xvRwson3txERzqJhJkwE2bT6+JhoKTMJ2pvjAgzYSbMfgDlXixqjH6gRgAAAABJRU5ErkJggg==";
export declare const displayDefaultUser: ({ caip10 }: {
    caip10: string;
}) => IUser;
export declare const findObject: (data: any, parentArray: any[], property: string) => boolean;
export declare const addWalletValidation: (member: IUser, memberList: any, groupMembers: any, memberStatus: ParticipantStatus, limit: number) => string;
export declare function isValidETHAddress(address: string): boolean;
export declare const checkIfMember: (chatFeed: IFeeds, account: string) => boolean;
export declare const checkIfAccessVerifiedGroup: (groupInfo: Group) => boolean;
export declare const formatAddress: (chatPreviewPayload: IChatPreviewPayload, env: Env) => Promise<string>;
export declare const formatDate: (chatPreviewPayload: IChatPreviewPayload) => string;
export declare const generateRandomNonce: () => string;
export declare const transformChatItems: (items: IFeeds[]) => IChatPreviewPayload[];
export declare const transformStreamToIChatPreviewPayload: (item: any) => IChatPreviewPayload;
export declare const checkIfNewRequest: (item: any, chatId: string) => boolean;
export declare const transformStreamToIMessageIPFSWithCID: (item: any) => IMessageIPFSWithCID;
export declare const getParsedMessage: (message: string) => any;
export declare const getChatParticipantDisplayName: (derivedChatId: string, chatId: string) => string;