import { InjectionToken, FactoryProvider } from '@angular/core';
import { DateRange } from '../models';
import { DateAdapter } from '../shared/date-adapter';
import * as i0 from "@angular/core";
export declare const REALSOFT_DATE_RANGE_SELECTION_STRATEGY: InjectionToken<RealsoftDateRangeSelectionStrategy<any>>;
export interface RealsoftDateRangeSelectionStrategy<D> {
    selectionFinished(date: D | null, currentRange: DateRange<D>, event: Event): DateRange<D>;
    createPreview(activeDate: D | null, currentRange: DateRange<D>, event: Event): DateRange<D>;
    createDrag?(dragOrigin: D, originalRange: DateRange<D>, newDate: D, event: Event): DateRange<D> | null;
}
export declare class DefaultRealsoftCalendarRangeStrategy<D> implements RealsoftDateRangeSelectionStrategy<D> {
    private _dateAdapter;
    constructor(...args: unknown[]);
    selectionFinished(date: D, currentRange: DateRange<D>, event: Event): DateRange<D>;
    createPreview(activeDate: D | null, currentRange: DateRange<D>): DateRange<D>;
    createDrag(dragOrigin: D, originalRange: DateRange<D>, newDate: D): DateRange<D>;
    static ɵfac: i0.ɵɵFactoryDeclaration<DefaultRealsoftCalendarRangeStrategy<any>, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<DefaultRealsoftCalendarRangeStrategy<any>>;
}
export declare function REALSOFT_CALENDAR_RANGE_STRATEGY_PROVIDER_FACTORY(parent: RealsoftDateRangeSelectionStrategy<unknown>, adapter: DateAdapter<unknown>): RealsoftDateRangeSelectionStrategy<unknown>;
export declare const REALSOFT_CALENDAR_RANGE_STRATEGY_PROVIDER: FactoryProvider;