import { GanttDate, GanttDateUtil } from '../utils/date';
import { GanttDatePoint } from '../class/date-point';
import { BehaviorSubject } from 'rxjs';
import { GanttDateFormat } from '../gantt.config';
export declare const primaryDatePointTop = 18;
export declare const secondaryDatePointTop = 36;
export interface GanttViewDate {
    date: GanttDate;
    isCustom?: boolean;
}
export interface GanttViewOptions {
    start?: GanttDate;
    end?: GanttDate;
    min?: GanttDate;
    max?: GanttDate;
    cellWidth?: number;
    addAmount?: number;
    addUnit?: GanttDateUtil;
    dateFormat?: GanttDateFormat;
}
export declare abstract class GanttView {
    start$: BehaviorSubject<GanttDate>;
    end$: BehaviorSubject<GanttDate>;
    get start(): GanttDate;
    get end(): GanttDate;
    primaryDatePoints: GanttDatePoint[];
    secondaryDatePoints: GanttDatePoint[];
    width: number;
    cellWidth: number;
    primaryWidth: number;
    showTimeline: boolean;
    showWeekBackdrop: boolean;
    options: GanttViewOptions;
    constructor(start: GanttViewDate, end: GanttViewDate, options: GanttViewOptions);
    abstract startOf(date: GanttDate): GanttDate;
    abstract endOf(date: GanttDate): GanttDate;
    abstract getPrimaryWidth(): number;
    abstract getDayOccupancyWidth(date: GanttDate): number;
    abstract getPrimaryDatePoints(): GanttDatePoint[];
    abstract getSecondaryDatePoints(): GanttDatePoint[];
    protected getDateIntervalWidth(start: GanttDate, end: GanttDate): number;
    protected initialize(): void;
    addStartDate(): {
        start: GanttDate;
        end: GanttDate;
    };
    addEndDate(): {
        start: GanttDate;
        end: GanttDate;
    };
    updateDate(start: GanttDate, end: GanttDate): void;
    getWidth(): number;
    getCellWidth(): number;
    getTodayXPoint(): number;
    getXPointByDate(date: GanttDate): number;
    getDateByXPoint(x: number): GanttDate;
    getBarWidth(start: GanttDate, end: GanttDate): number;
    getDateRangeWidthDayNormalized(start: GanttDate, end: GanttDate): number;
}