declare class EnvWrapper {
    private name;
    constructor(name: string);
    toString(): string;
    readonly s: typeof this.string;
    readonly n: typeof this.number;
    readonly i: typeof this.int;
    readonly b: typeof this.bool;
    string(defaultValue?: string): string;
    string(config?: {
        def?: string;
        nonEmpty?: boolean;
    }): string;
    match(regExp: RegExp, defaultValue?: string): string;
    path(defaultValue?: string): string;
    path(config?: {
        def?: string;
        file?: boolean;
        exist?: boolean;
    }): string;
    url(defaultValue?: string): URL;
    urls(defaultValue?: string): string;
    ip(defaultValue?: string): string;
    ipv4(defaultValue?: string): string;
    ipv6(defaultValue?: string): string;
    number(defaultValue?: number): number;
    number(config?: {
        def?: number;
        min?: number;
        max?: number;
    }): number;
    int(defaultValue?: number): number;
    int(config?: {
        def?: number;
        min?: number;
        max?: number;
        strict?: boolean;
    }): number;
    port(defaultValue?: number): number;
    port(config?: {
        def?: number;
        min?: number;
        max?: number;
        strict?: boolean;
    }): number;
    bool(defaultValue?: boolean): boolean;
    bool(config?: {
        def?: boolean;
        strict?: boolean;
        map?: Record<string, boolean>;
    }): boolean;
}
declare const envHelper: {
    [key: string]: EnvWrapper;
};
export default envHelper;