import { ValidatorFn } from '@angular/forms';
/**
 * Class holding custom SiLA Browser (sb) validators
 *
 * This is the container where validator functinons can be defined
 */
export declare class SBValidationService {
    /***
     * Data type validator: used to validate the input of form
     * matches expected data type of model e.g/. Integer, Real
     *
     *
     * param {string} dataType which form value is validated against
     * returns {ValidatorFn} null if validation passes, object with
     * validation information otherwise
     */
    static typeValidator(dataType: string): ValidatorFn;
    /**
     * Form validator to perform range checking of form input data
     *
     * Note: this additional validator was added although there
     * already exists Angular validators.max() and .min() as this
     * one conversely also returns an error object with a message.
     *
     * function   rangeValidator (name)
     * param      {<type>}  min      The minimum
     * param      {<type>}  max      The maximum
     * param      {<type>}  control  The control
     * return     {<type>}  { description_of_the_return_value }
     */
    static rangeValidator(min: number, max: number): ValidatorFn;
}