import { AbstractDynamicFormFieldDirective } from './abstract-dynamic-form-field.directive';
export declare class DffPeriodComponent extends AbstractDynamicFormFieldDirective {
    startDate: Date;
    endDate: Date;
    validate(value: string): string[];
    writeValue(value: string): void;
    updateValue(): void;
    private normalizeDates;
    private normalizeDate;
}