import { type Id } from '../identifier.utils.js';
import { type OptionEntry } from '../options.utils.js';
import { type CompressionAlgorithm as CompressionAlgorithmT } from './topic.utils.js';
/**
 * Parameters for the update topic command.
 */
export type UpdateTopic = {
    /** Stream identifier (ID or name) */
    streamId: Id;
    /** Topic identifier (ID or name) */
    topicId: Id;
    /** New topic name (1-255 bytes) */
    name: string;
    /** Compression algorithm (None or Gzip) */
    compressionAlgorithm?: CompressionAlgorithmT;
    /**
     * Message expiry time in microseconds. `0n` is not "unlimited": it omits the
     * key, so the topic keeps whatever expiry it currently has. Resetting a key
     * back to the server default is not expressible on an update.
     */
    messageExpiry?: bigint;
    /**
     * Maximum topic size in bytes. `0n` is not "unlimited": it omits the key, so
     * the topic keeps whatever cap it currently has. Resetting a key back to the
     * server default is not expressible on an update.
     */
    maxTopicSize?: bigint;
    /**
     * Option keys with no field of their own. The server refuses any key an update
     * may not change, by name; a key left out keeps its current value.
     */
    options?: OptionEntry[];
};
/**
 * Update topic command definition.
 * Updates a topic's configuration.
 */
export declare const UPDATE_TOPIC: {
    code: number;
    serialize: ({ streamId, topicId, name, compressionAlgorithm, messageExpiry, maxTopicSize, options: extraOptions }: UpdateTopic) => Buffer<ArrayBuffer>;
    deserialize: (r: import("../../index.js").CommandResponse) => boolean;
};
/**
 * Executable update topic command function.
 */
export declare const updateTopic: (getClient: import("../../index.js").ClientProvider) => (arg: UpdateTopic) => Promise<boolean>;
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