/**
 * Produces a function that evaluates the first argument it receives against all conditions
 * given and returns true if any of them return truthy. Can be passed type constructors
 * to confirm if the passed value is of that type. Non-function values will be compared
 * with shallow equality.
 *
 * @param   {...Function|any} conditions
 *
 * @returns {Function}
 * @category Functional
 */
export function is(...conditions: (Function | any)[]): Function;
/**
 * Produces a function that evaluates the first argument it receives against all conditions
 * given and returns true if *all* of them return truthy. Can be passed type constructors
 * to confirm if the passed value is of that type. Non-function values will be compared
 * with shallow equality.
 *
 * @param   {...Function|any} conditions
 *
 * @returns {Function}
 * @category Functional
 */
export function isAll(...conditions: (Function | any)[]): Function;
/**
 * Produces a function which tests if its first argument matches the given Regular Expression
 *
 * @param   {RegExp} pattern
 *
 * @returns {Function}
 * @category Functional
 */
export function re(pattern: RegExp): Function;
export function isa(constructor: Function | Class): Function;