import { Options } from "../../../core";
import { Any, AnyObject } from "../../../types";
/**
 * Trims the resolved string
 *
 * @param obj
 * @param expr
 * @param options
 */
export declare function trimString(obj: AnyObject, expr: Any, options: Options, trimOpts: {
    left: boolean;
    right: boolean;
}): string | null;
/**
 * Performs a regex search
 *
 * @param obj
 * @param expr
 * @param opts
 */
export declare function regexSearch(obj: AnyObject, expr: Any, options: Options, reOpts: {
    global: boolean;
}): Any[] | undefined;
