import type { CommandResponse } from '../../client/client.type.js';
import type { ConsumerGroup } from './group.utils.js';
import { type Id } from '../identifier.utils.js';
/**
 * Parameters for the get consumer groups command.
 */
export type GetGroups = {
    /** Stream identifier (ID or name) */
    streamId: Id;
    /** Topic identifier (ID or name) */
    topicId: Id;
};
/**
 * Get consumer groups command definition.
 * Retrieves all consumer groups within a topic.
 */
export declare const GET_GROUPS: {
    code: number;
    serialize: ({ streamId, topicId }: GetGroups) => Buffer<ArrayBuffer>;
    deserialize: (r: CommandResponse) => ConsumerGroup[];
};
/**
 * Executable get consumer groups command function.
 */
export declare const getGroups: (getClient: import("../../client/client.type.js").ClientProvider) => (arg: GetGroups) => Promise<ConsumerGroup[]>;
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