import { Field } from '../resources/types/field/fields';
/**
 * Determine if value is of type Function.
 */
export declare function isFunction(val: any): boolean;
/**
 * Determine if a value is of type Object.
 */
export declare function isObject(val: any): boolean;
/**
 * Determine if a value is of type String.
 */
export declare function isString(val: any): boolean;
/**
 * Remove duplicates from an array.
 */
export declare function toUniqueArray(arr: any[]): any[];
/**
 * Determine the field component name based on the field schema.
 */
export declare function getFieldComponentName(field: Field): string;
/**
 * Determine if a value is empty.
 */
export declare function isEmpty(value: any): boolean;
/**
 * Determine whether a value is not empty.
 * @param {any} value
 * @returns {boolean}
 */
export declare function isNotEmpty(value: any): boolean;
/**
 * Reset all properties to an empty value of the same type. Will recursively try and
 * reset all properties if an object has a property with another object as its value.
 */
export declare function resetObjectProperties(obj: Record<string, any>): object;