export declare class Contact {
    publicKey: string;
    relay?: string;
    petname?: string;
    constructor({ publicKey, relay, petname }: {
        publicKey: string;
        relay?: string;
        petname?: string;
    });
    toTag(): string[];
    static fromParams([publicKey, relay, petname]: string[]): Contact;
    static toTags(contacts: Contact[]): string[][];
    static find(publicKey: any, contacts: Contact[]): number;
    static merge(contacts: Contact[], newContacts: Contact[]): Contact[];
    static remove(publicKey: string | string[], contacts: Contact[]): Contact[];
    static toMap(contacts: Contact[], contactsMap?: Map<string, Contact>): Map<string, Contact>;
}