import { type SQL, type AnyColumn } from "drizzle-orm";
/**
 * TiDB-specific function helpers (not available in MySQL).
 * @see https://docs.pingcap.com/tidb/stable/tidb-functions
 */
export type TiDBSpecificSqlInput = SQL | AnyColumn | string | number | boolean;
/** `CURRENT_RESOURCE_GROUP()` */
export declare function tidbCurrentResourceGroup(): SQL;
/** `TIDB_BOUNDED_STALENESS(ts1, ts2)` */
export declare function tidbBoundedStaleness(ts1: TiDBSpecificSqlInput, ts2: TiDBSpecificSqlInput): SQL;
/** `TIDB_CURRENT_TSO()` */
export declare function tidbCurrentTso(): SQL;
/** `TIDB_DECODE_BINARY_PLAN(binary_plan)` */
export declare function tidbDecodeBinaryPlan(binaryPlan: TiDBSpecificSqlInput): SQL;
/** `TIDB_DECODE_KEY(key)` */
export declare function tidbDecodeKey(key: TiDBSpecificSqlInput): SQL;
/** `TIDB_DECODE_PLAN(plan)` */
export declare function tidbDecodePlan(plan: TiDBSpecificSqlInput): SQL;
/** `TIDB_DECODE_SQL_DIGESTS(digests [, stmtTruncateLength])` */
export declare function tidbDecodeSqlDigests(digests: TiDBSpecificSqlInput, stmtTruncateLength?: TiDBSpecificSqlInput): SQL;
/** `TIDB_ENCODE_SQL_DIGEST(query_str)` */
export declare function tidbEncodeSqlDigest(query: TiDBSpecificSqlInput): SQL;
/** `TIDB_IS_DDL_OWNER()` */
export declare function tidbIsDdlOwner(): SQL;
/** `TIDB_PARSE_TSO(tso)` */
export declare function tidbParseTso(tso: TiDBSpecificSqlInput): SQL;
/** `TIDB_PARSE_TSO_LOGICAL(tso)` */
export declare function tidbParseTsoLogical(tso: TiDBSpecificSqlInput): SQL;
/** `TIDB_ROW_CHECKSUM()` */
export declare function tidbRowChecksum(): SQL;
/** `TIDB_SHARD(value)` */
export declare function tidbShard(value: TiDBSpecificSqlInput): SQL;
/** `TIDB_VERSION()` */
export declare function tidbVersionInfo(): SQL;
/** `VITESS_HASH(num)` */
export declare function vitessHash(num: TiDBSpecificSqlInput): SQL;
/** `TIDB_ENCODE_INDEX_KEY(db_name, table_name, index_name, ...)` */
export declare function tidbEncodeIndexKey(dbName: TiDBSpecificSqlInput, tableName: TiDBSpecificSqlInput, indexName: TiDBSpecificSqlInput, ...values: TiDBSpecificSqlInput[]): SQL;
/** `TIDB_ENCODE_RECORD_KEY(db_name, table_name, ...)` */
export declare function tidbEncodeRecordKey(dbName: TiDBSpecificSqlInput, tableName: TiDBSpecificSqlInput, ...handleColumns: TiDBSpecificSqlInput[]): SQL;
/** `TIDB_MVCC_INFO(key)` */
export declare function tidbMvccInfo(key: TiDBSpecificSqlInput): SQL;
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