export declare const SQL_KNOWN_FUNCTIONS: readonly ["ADDDATE", "ADDTIME", "CONCAT", "CONVERT_TZ", "COUNT", "COUNT_ALL", "CURRENT_DATE", "CURRENT_TIMESTAMP", "DAY", "DAY_HOUR", "DAY_MICROSECOND", "DAY_MINUTE", "DAY_SECOND", "DAYNAME", "DAYOFMONTH", "DAYOFWEEK", "DAYOFYEAR", "DATE", "DATE_ADD", "DATEDIFF", "DATE_SUB", "DATE_FORMAT", "EXTRACT", "FROM_DAYS", "FROM_UNIXTIME", "GET_FORMAT", "GROUP_CONCAT", "HEX", "HOUR", "HOUR_MICROSECOND", "HOUR_MINUTE", "HOUR_SECOND", "INTERVAL", "LOCALTIME", "LOCALTIMESTAMP", "MAKEDATE", "MAKETIME", "MAX", "MBRContains", "MICROSECOND", "MIN", "MINUTE", "MINUTE_MICROSECOND", "MINUTE_SECOND", "MONTH", "MONTHNAME", "NOW", "POINT", "POLYGON", "SECOND", "SECOND_MICROSECOND", "ST_Area", "ST_AsBinary", "ST_AsText", "ST_Buffer", "ST_Contains", "ST_Crosses", "ST_Difference", "ST_Dimension", "ST_Disjoint", "ST_Distance", "ST_Distance_Sphere", "ST_EndPoint", "ST_Envelope", "ST_Equals", "ST_GeomFromGeoJSON", "ST_GeomFromText", "ST_GeomFromWKB", "ST_Intersects", "ST_Length", "ST_MakeEnvelope", "ST_Overlaps", "ST_Point", "ST_SetSRID", "ST_SRID", "ST_StartPoint", "ST_SymDifference", "ST_Touches", "ST_Union", "ST_Within", "ST_X", "ST_Y", "STR_TO_DATE", "SUBDATE", "SUBTIME", "SUM", "SYSDATE", "TIME", "TIME_FORMAT", "TIME_TO_SEC", "TIMEDIFF", "TIMESTAMP", "TIMESTAMPADD", "TIMESTAMPDIFF", "TO_DAYS", "TO_SECONDS", "TRANSACTION_TIMESTAMP", "UNHEX", "UNIX_TIMESTAMP", "UTC_DATE", "UTC_TIME", "UTC_TIMESTAMP", "WEEKDAY", "WEEKOFYEAR", "YEARWEEK"];
export type SQLKnownFunction = typeof SQL_KNOWN_FUNCTIONS[number];
export type SQLFunction = SQLKnownFunction;
export type SQLComparisonOperator = '=' | '!=' | '<' | '<=' | '>' | '>=' | 'IN' | 'NOT IN' | 'LIKE' | 'IS NULL' | 'IS NOT NULL' | 'BETWEEN' | 'LESS_THAN' | 'GREATER_THAN';
export type JoinType = 'INNER' | 'LEFT_OUTER' | 'RIGHT_OUTER';
export type OrderDirection = 'ASC' | 'DESC';
export type SQLExpression = string | number | boolean | null | SQLExpressionTuple;
export type SQLExpressionTuple = ['AS', SQLExpression, string] | ['DISTINCT', SQLExpression] | ['CALL', string, ...SQLExpression[]] | ['LIT', any] | ['PARAM', any] | ['SUBSELECT', Record<string, any>] | [SQLKnownFunction, ...SQLExpression[]];
export type OrderTerm = [SQLExpression, OrderDirection?];