/**
 * ```js
 * import { FileRepository } from '@amityco/ts-sdk'
 * const updated = await FileRepository.updateAltText(fileId, altText)
 * ```
 *
 * Updates an {@link Amity.File<'image'>['altText']}.
 *
 * @param fileId The ID of the {@link Amity.File<'image'>} to edit
 * @param altText The new alt text for the {@link Amity.File<'image'>}
 * @returns the updated {@link Amity.File<'image'>} object
 *
 * @category File API
 * @async
 */
export declare const updateAltText: (fileId: Amity.File['fileId'], altText: string) => Promise<boolean>;
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