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 'to' date is not after 'max' value.
 * Otherwise will throw corresponding `max` validation error.
 *
 * Validator is applied to the ClrDaterangepickerDirective with `max` attribute.
 * Or when set manually with `clrDaterangeMax` attribute.
 *
 * Validator is active by default when applied. It can be disabled with: `[clrDaterangeMax]="false"`
 */
export declare class ClrDaterangeMaxValidator implements Validator {
    private readonly daterangeService;
    /** Validation error name. */
    static readonly validationErrorName = "max";
    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<ClrDaterangeMaxValidator, [{ optional: true; }]>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<ClrDaterangeMaxValidator, "[clrDaterangepicker][max], [clrDaterangeMax]", never, { "active": { "alias": "clrDaterangeMax"; "required": false; }; }, {}, never, never, false, never>;
}