interface NumericStringParserOptions {
    min?: number;
    minExclusive?: number;
    max?: number;
}
export declare function integerStringParser(flag: string, options?: NumericStringParserOptions): (input: string) => Promise<string>;
export declare function numberStringParser(flag: string, options?: NumericStringParserOptions): (input: string) => Promise<string>;
export declare function enumStringParser(flag: string, values: readonly string[]): (input: string) => Promise<string>;
export {};