import { TransformerSubTyped } from '@traqula/core';
import type { SparqlContext, SparqlGeneratorContext } from './sparql12HelperTypes.js';
import type { Sparql12Nodes } from './sparql12Types.js';
/**
 * Decode UCHAR codepoint escapes (\\uXXXX / \\UXXXXXXXX) within a string according to
 * [SPARQL 1.2 §19.2](https://www.w3.org/TR/sparql12-query/#sec-escapes).
 *
 * Unlike the SPARQL 1.1 variant, this function rejects surrogate code points (U+D800–U+DFFF)
 * even when they would form a valid surrogate pair.
 * @deprecated will be removed in next MAJOR in favor of the less usecase dependent {@link decodeUchar}.
 */
export declare function sparql12CodepointEscape(input: string): string;
export declare function decodeUchar(hex: string): string;
export declare function completeParseContext(context: Partial<SparqlContext>): SparqlContext;
export declare function completeGeneratorContext(context: Partial<SparqlGeneratorContext & {
    offset?: number;
}>): SparqlGeneratorContext & {
    offset?: number;
};
export declare function copyParseContext<T extends Partial<SparqlContext & SparqlGeneratorContext & {
    origSource: string;
    offset?: number;
}>>(context: T): T;
export declare class AstTransformer extends TransformerSubTyped<Sparql12Nodes> {
}