/**
 * Determines if all the passed args are strings
 * @param args The arguments to check
 */
export declare function isString(...args: unknown[]): boolean;
/**
 * Determines if all the passed args are numbers
 * @param args The arguments to check
 */
export declare function isNumber(...args: unknown[]): boolean;
/**
 * Determines if all the passed args are bigints
 * @param args The arguments to check
 */
export declare function isBigInt(...args: unknown[]): boolean;