import { type Type } from "./types.js";
export type FnRule = (args: Type[]) => Type;
export declare const S: Type;
export declare const I: Type;
export declare const BIG: Type;
export declare const D: Type;
export declare const B: Type;
export declare const DATE: Type;
export declare const TS: Type;
export declare const BIN: Type;
export declare const INTERVAL: Type;
export declare const fixed: (t: Type) => FnRule;
export declare const firstArg: FnRule;
export declare const common: FnRule;
export declare const restCommon: FnRule;
export declare const arrayOfFirst: FnRule;
export declare const arrayOfCommon: FnRule;
export declare const elementOf: FnRule;
export declare const mapKeys: FnRule;
export declare const mapValues: FnRule;
export declare const concatRule: FnRule;
/** date_add(unit, n, ts) / dateadd / timestampadd → the date/timestamp argument's type. */
export declare const dateArg: FnRule;
export declare function group(rule: FnRule, names: string[]): Record<string, FnRule>;