import { HDict, HGrid, HMarker, HRef, HaysonDict, HList } from 'haystack-core';
import { ClientServiceConfig } from '../ClientServiceConfig';
import { ReadOptions } from '../RecordService';
/**
 * A group record
 */
export interface Group extends HDict {
    id?: HRef;
    userGroup: HMarker;
}
/**
 * Optional parameters available to readByFilter query
 */
export declare type GroupsReadOptions = Omit<ReadOptions, 'unique'>;
/**
 * An implementation of the FIN Groups service.
 */
export declare class GroupsService<GroupType extends Group = Group> {
    #private;
    /**
     * Constructs a new groups service object.
     *
     * @param serviceConfig Service configuration.
     */
    constructor(serviceConfig: ClientServiceConfig);
    /**
     * Query all groups.
     *
     * @param options Optional options for read operation.
     * @returns The result of the read operation.
     */
    readAll(options?: GroupsReadOptions): Promise<GroupType[]>;
    /**
     * Read a group via its id.
     *
     * @param id The id of the group to read.
     * @returns The group record.
     * @throws An error if the group can't be found.
     */
    readById(id: string | HRef): Promise<GroupType>;
    /**
     * Query some groups via a haystack filter.
     *
     * @param filter The haystack filter to query by.
     * @param options Optional options for read operation.
     * @returns The result of the read operation.
     */
    readByFilter(filter: string, options?: GroupsReadOptions): Promise<HGrid<GroupType>>;
    /**
     * Create multiple group records.
     *
     * @param groups The groups to create.
     * @returns A grid of groups.
     */
    create(groups: GroupType[] | HaysonDict[] | HGrid<GroupType> | HList<GroupType>): Promise<HGrid<GroupType>>;
    /**
     * Create a single group record.
     *
     * @param group The group record to create.
     * @returns The created group record.
     */
    createGroup(group: GroupType | HaysonDict): Promise<GroupType>;
    /**
     * Update a group record.
     *
     * @param group The group record to update.
     * @returns A updated record. Please note, this record doesn't
     * have any group information just the `id` and `mod`.
     */
    update(group: GroupType | HaysonDict): Promise<GroupType>;
    /**
     * Delete a group record via its id.
     *
     * @param id The id of the record to delete.
     */
    deleteById(id: string | HRef): Promise<void>;
}