import type * as RDF from '@rdfjs/types';
import type { Expression, ExpressionAggregate, Ordering, PatternBind, Query, Wildcard } from '@traqula/rules-sparql-1-1';
import type { Algebra } from '../index.js';
import type { AlgebraIndir } from './core.js';
/**
 * 18.2.4
 */
export declare const translateAggregates: AlgebraIndir<'translateAggregates', Algebra.Operation, [Query, Algebra.Operation]>;
export type MapAggregateType = Wildcard | Expression | Ordering | PatternBind;
/**
 * Rewrites some of the input sparql object to make use of aggregate variables
 * It thus replaces aggregates by their representative variable and registers the mapping.
 */
export declare const mapAggregate: AlgebraIndir<'mapAggregate', MapAggregateType, [MapAggregateType, Record<string, ExpressionAggregate>]>;
export declare const translateBoundAggregate: AlgebraIndir<'translateBoundAggregate', Algebra.BoundAggregate, [ExpressionAggregate, RDF.Variable]>;