import { RuntimeCtx } from '../ctx.js';
import { Element } from '../element.js';
import { Pipe } from '../model/index.js';
export declare class ValueExtractRegexp extends Pipe {
    static $type: string;
    static $help: string;
    regexp: string;
    caseInsensitive: boolean;
    matchAll: boolean;
    optional: boolean;
    init(spec: any): void;
    apply(inputSet: Element[], _ctx: RuntimeCtx): Promise<Element[]>;
    performMatchAll(value: string, r: RegExp): RegExpExecArray[];
    performMatchOne(value: string, r: RegExp): RegExpExecArray[];
}
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