import { AbstractControl, ValidationErrors, Validator } from '@angular/forms';
import { NullableDaterange } from '../interfaces/daterange.interface';
import { DaterangeService } from '../providers/daterange.service';
import * as i0 from "@angular/core";
/**
 * Validator for daterangepicker to validate that 'from' date is not before 'min' value.
 * Otherwise will throw corresponding `min` validation error.
 *
 * Validator is applied to the ClrDaterangepickerDirective with `min` attribute.
 * Or when set manually with `clrDaterangeMin` attribute.
 *
 * Validator is active by default when applied. It can be disabled with: `[clrDaterangeMin]="false"`
 */
export declare class ClrDaterangeMinValidator implements Validator {
    private readonly daterangeService;
    /** Validation error name. */
    static readonly validationErrorName = "min";
    private _active;
    constructor(daterangeService: DaterangeService);
    /**
     * Disable validator by setting value to `false`.
     */
    set active(active: boolean | string | undefined | null);
    /**
     * Validator method. Method that performs synchronous validation against the provided control.
     * @param control - The control to validate against.
     * @returns A map of validation errors if validation fails, otherwise null.
     */
    validate(control: AbstractControl<NullableDaterange, any>): ValidationErrors | null;
    static ɵfac: i0.ɵɵFactoryDeclaration<ClrDaterangeMinValidator, [{ optional: true; }]>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<ClrDaterangeMinValidator, "[clrDaterangepicker][min], [clrDaterangeMin]", never, { "active": { "alias": "clrDaterangeMin"; "required": false; }; }, {}, never, never, false, never>;
}