/**
 * Tracks whether a file upload is in progress for a specific block. Returns
 * `true` while the upload is active and `false` otherwise.
 *
 * @param blockId - The ID of the block to monitor for upload activity.
 * @returns `true` if a file upload is currently in progress for the given block.
 */
export declare function useUploadLoading(blockId?: string): boolean;