import type * as RDF from '@rdfjs/types';
import type { IndirDef } from '@traqula/core';
import { AstFactory, AstTransformer } from '@traqula/rules-sparql-1-1';
import * as Algebra from '../algebra.js';
import { AlgebraFactory } from '../algebraFactory.js';
export interface AstContext {
    /**
     * Whether we are contained in a projection.
     * This allows us to differentiate between BIND and SELECT when translating EXTEND
     */
    project: boolean;
    /**
     * All extends found in our suboperations
     */
    extend: Algebra.Extend[];
    /**
     * All groups found in our suboperations
     */
    group: RDF.Variable[];
    /**
     * All aggregates found in our suboperations
     */
    aggregates: Algebra.BoundAggregate[];
    /**
     * All orderings found in our suboperations
     */
    order: Algebra.Expression[];
    algebraFactory: AlgebraFactory;
    astFactory: AstFactory;
    transformer: AstTransformer;
}
export declare function createAstContext(): AstContext;
export type AstIndir<Name extends string, Ret, Arg extends any[]> = IndirDef<AstContext, Name, Ret, Arg>;
export declare const eTypes: typeof Algebra.ExpressionTypes;
export declare const resetContext: AstIndir<'resetContext', void, []>;
export declare const registerProjection: AstIndir<'registerProjection', void, [Algebra.Operation]>;