import { CommandParser } from '../client/parser';
import { ArrayReply, BlobStringReply } from '../RESP/types';
import { ZKeys } from './generic-transformers';
export interface ZUnionOptions {
    /** `COUNT` added in 8.8 */
    AGGREGATE?: 'SUM' | 'MIN' | 'MAX' | 'COUNT';
}
declare const _default: {
    readonly IS_READ_ONLY: true;
    readonly parseCommand: (this: void, parser: CommandParser, keys: ZKeys, options?: ZUnionOptions) => void;
    readonly transformReply: () => ArrayReply<BlobStringReply>;
};
export default _default;
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