/**
 * Checks that a payload contains at most one `table` block. Slack rejects
 * multi-table messages with `invalid_attachments` / `only_one_table_allowed`.
 * @param blocks - array of Block Kit blocks
 * @returns array of error messages (empty when zero or one `table` block present)
 */
export declare function checkSingleTableBlock(blocks: readonly {
    type?: string;
}[]): string[];
//# sourceMappingURL=check-single-table-block.d.ts.map