import * as _ from "lodash";
export default class Vars {
    static templateSettings: _.TemplateOptions;
    /**
     * interpolate `ctx` parameters into `source` string
     */
    static $: (source: string, ctx: any) => string;
    /**
     * recursively interpolate `ctx` parameters into `source`
     */
    static $$: (source: any, ctx: any) => any;
    static resolve_externals: (config: any) => any;
    static resolve: (template: any, fields: any) => any;
    static humanize: (txt: string) => any;
    static capitalize: (text: any) => any;
    static sanitize(txt: string, subst?: string): string;
    static findNamed(scope: any, name: any): any;
    static find(scope: any, name: any): any;
    static split(s: any): any;
    static get(o: any, s: any): any;
    static set(o: any, s: any, v: any): any;
    static env(prefix: string, config: any, env: any): any;
    static redact(model: any, fields: []): any;
    static clean(mess: any): any;
    static tail(str: string, char: string): string;
    static load(filename: string): any;
    /**
     * compute intersection of two array
     *
     * @param a
     * @param b
     */
    static intersect(a: any, b: any): any;
    static decycle: (object: any) => any;
    static toBoolean(value: any): boolean;
    static typeof(value: any): "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function" | "array";
}