import { PipeTransform } from '@angular/core';
import { DateInput } from '../services/datetime-config.service';
import * as i0 from "@angular/core";
/**
 * Formats a date/time value using the user's global date-time preferences.
 *
 * Usage:
 *   {{ timestamp | appDateTime }}           → "04/30/2026 2:15 PM"  (full)
 *   {{ timestamp | appDateTime:'date' }}    → "04/30/2026"          (date only)
 *   {{ timestamp | appDateTime:'time' }}    → "2:15 PM"             (time only)
 *
 * Accepts Date objects, ISO strings, or epoch timestamps.
 * Returns '—' for null/undefined/invalid inputs.
 */
export declare class AppDateTimePipe implements PipeTransform {
    private readonly dtConfig;
    transform(value: DateInput | null | undefined, mode?: 'full' | 'date' | 'time'): string;
    static ɵfac: i0.ɵɵFactoryDeclaration<AppDateTimePipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<AppDateTimePipe, "appDateTime", true>;
}