import { Event } from "nostr-tools";
export declare function now(): number;
export declare class PubkeyBatcher {
    private batchSize;
    private pubkeyRelays;
    private relayReqs;
    constructor(batchSize: number);
    add(pubkey: string, relay: string): [string, string[]];
    relays(pubkey: string): string[];
    remove(pubkey: string, relay: string): [string, string[]];
    has(pubkey: string): boolean;
}
export declare function normalizeRelay(r: string): string | undefined;
export declare function getIP(prefix?: string): any;
export declare function exec(cmd: string, args: string[]): Promise<{
    out: string;
    err: string;
    code: number;
}>;
export declare function readPubkey(dir: string): string;
export declare function readPackageJson(): {
    version: string;
};
export declare function tv(e: Event, name: string): string | undefined;