import { GroupPointer } from "applesauce-core/helpers";
import { NostrEvent } from "nostr-tools";
import { EventOperation } from "../types.js";
/** Sets the "h" tag for NIP-29 group messages or other events */
export declare function setGroupPointer(group: GroupPointer): EventOperation;
/** Adds "previous" tags for group messages */
export declare function addPreviousRefs(previous: NostrEvent[], count?: number): EventOperation;
