/**
 * **Publish a Message** · `BETA`
 *
 * Publish a message to a pre-defined topic of an experience, with the size of the message up to 1,024 characters (1 KB). Requires the **Publish** permission for API keys and the **universe-messaging-service:publish** scope for OAuth 2.0 apps. See [Cross-server messaging](/cloud-services/cross-server-messaging.md#subscribe-users-to-receive-messages) for defining and subscribing users to a topic.
 *
 * **Scopes:** `universe-messaging-service:publish`
 *
 * @param body
 * @param universeId The identifier of the experience in which you want to send your messages to. You can [copy your experience's Universe ID](/cloud/guides/usage-messaging.md#publishing-messages-to-live-servers) on **Creator Dashboard**.
 * @param topic The topic that you want to publish your message to, with up to 80 characters.
 * @see POST https://apis.roblox.com/cloud/v2/universes/{universe_id}:publishMessage
 * @deprecated Prefer the v2 alternative(s) listed above.
 */
export declare const postUniversesUniverseIdTopicsTopic: import("../..").EndpointGeneric<{
    universeId: number;
    topic: string | null;
}, void, {
    message: string | null;
}>;