/**
 * ```js
 * import { updateMessage } from '@amityco/ts-sdk'
 * const updated = await updateMessage(messageId, {
 *   data: { text: 'hello world' }
 * })
 * ```
 *
 * Updates an {@link Amity.Message}
 *
 * @param messageId The ID of the {@link Amity.Message} to edit
 * @param patch The patch data to apply
 * @returns the updated {@link Amity.Message} object
 *
 * @category Message API
 * @async
 */
export declare const updateMessage: {
    (messageId: Amity.Message['messageId'], patch: Patch<Amity.Message, 'data' | 'tags' | 'metadata' | 'mentionees'>): Promise<Amity.Cached<Amity.Message>>;
    /**
     * ```js
     * import { updateMessage } from '@amityco/ts-sdk'
     * const updated = updateMessage.optimistically('foobar', {
     *   data: { text: 'hello world' }
     * })
     * ```
     *
     * Updates an {@link Amity.Message} in cache
     *
     * @param messageId The ID of the {@link Amity.Message} to edit
     * @param patch The patch data to apply
     * @returns the updated {@link Amity.Message} object
     *
     * @category Message API
     */
    optimistically(messageId: Amity.Message['messageId'], patch: Patch<Amity.Message, 'data' | 'tags' | 'metadata' | 'mentionees'>): Amity.Cached<Amity.Message> | undefined;
};
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