export type ParserProps = {
    required: <TValue>(key: string, converter: (value: string) => TValue) => TValue;
    optional: <TValue, TDefault>(key: string, converter: (value: string) => TValue, defaultValue: TDefault) => TValue | TDefault;
    matchMany: <T>(regex: RegExp, parser: Parser<T>) => T[];
    requireMatchOne: <T>(regex: RegExp, parser: Parser<T>) => T;
    optionalMatchOne: <T, TDefault>(regex: RegExp, parser: Parser<T>, defaultValue: TDefault) => T | TDefault;
};
export type Parser<T> = (props: ParserProps) => T;
export declare function parseEnvVars<T>(parser: Parser<T>): T;
export declare function split<T>(converter: (v: string) => T, separator?: string): (v: string) => T[];