/**
 * Generates a validator function which checks the input is
 * a valid number tuple (eg. '2,3,5')
 * @param count
 * @returns {(s:string)=>(boolean|boolean)}
 */
export declare function isTuple(count?: number): (input: string) => boolean;
/**
 * Generates a validator function which returns an array of numbers
 * from a tuple string
 * @param count The number of elements
 * @param int Whether to parse each string as an integer
 * @returns {(s:string)=>number[]}
 */
export declare function parseTuple(count?: number, int?: boolean): (input: string) => number[];
export declare function parseBoolean(input: string): boolean;