import type * as RDF from '@rdfjs/types';
import type { IValueModifier } from './IValueModifier';
/**
 * A value modifier that applies the given regex on the value and replaces it with the first group match.
 */
export declare class ValueModifierRegexReplaceGroup implements IValueModifier {
    private readonly regex;
    constructor(regex: string);
    apply(value: RDF.Term): RDF.Term;
}