import { GroupTypeToColumnIndex, TeamId } from '../../types';
import { DB } from '../../utils/db/db';
import { TeamManager } from './team-manager';
export declare class GroupTypeManager {
    db: DB;
    teamManager: TeamManager;
    groupTypesCache: Map<number, [GroupTypeToColumnIndex, number]>;
    instanceSiteUrl: string;
    constructor(db: DB, teamManager: TeamManager, instanceSiteUrl?: string | null);
    fetchGroupTypes(teamId: TeamId): Promise<GroupTypeToColumnIndex>;
    fetchGroupTypeIndex(teamId: TeamId, groupType: string): Promise<number | null>;
    private captureGroupTypeInsert;
}