import { type SQL, type AnyColumn } from "drizzle-orm";
/**
 * TiDB utility functions.
 * @see https://docs.pingcap.com/tidb/stable/miscellaneous-functions#utility-functions
 */
export type UtilitySqlInput = SQL | AnyColumn | string | number | boolean;
/** `FORMAT_BYTES(expr)` */
export declare function formatBytes(expr: UtilitySqlInput): SQL;
/** `FORMAT_NANO_TIME(expr)` */
export declare function formatNanoTime(expr: UtilitySqlInput): SQL;
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