/**
 * Retrieves the default class name for input elements from the configuration.
 * This function accesses the configuration defined in a JSON file, specifically
 * looking for a class name to apply to input elements.
 * @returns The default class name for input elements if specified in the configuration, otherwise undefined.
 */
export declare const getDefaultClass: (type: 'select' | 'text' | 'checkbox' | 'radio' | 'number' | 'password' | 'date' | 'email' | 'file' | 'color' | 'range') => string | undefined;