import { type MentionCandidate } from './mentions.js';
export interface SiteMembersState {
    /** Everyone who can be mentioned, agents first. Empty until the roster arrives. */
    candidates: readonly MentionCandidate[];
    loading: boolean;
}
/**
 * Who can be mentioned on this site. Nothing is asked for until `wanted`, so a thread
 * nobody types `@` in costs no request, and nothing at all while threads are off.
 */
export declare function useSiteMembers(wanted: boolean): SiteMembersState;