import { AST, Walker, ComplexQueryOptions, ASTNode } from '../ComplexQuery.js';
import { ComplexQueryExpression } from '../api/ComplexQueryLang.js';
import '@arcgis/core/geometry/Geometry';

type Transformer = (node: ASTNode, queryOptions: ComplexQueryOptions, subResults?: string[]) => string;
/**
 * Transforms AST or Walker of complex query into a sql 'where' expression.
 * @param astOrWalker AST or Walker to transform
 * @returns SQL where expression.
 */
declare function astToSQLWhere(astOrWalker: AST | Walker): string;
/**
 * Transforms a complex query into a sql 'where' expression.
 * @param query complex query.
 * @param options transformation options.
 * @returns a where expression.
 */
declare function toSQLWhere(query?: ComplexQueryExpression, options?: ComplexQueryOptions): string;
declare const _operatorMapping: Record<string, Transformer>;

export { _operatorMapping, astToSQLWhere, toSQLWhere };