import { EventEmitter } from '@angular/core';
import { ControlValueAccessor, NgControl } from '@angular/forms';
import { FloatLabelType, MatFormFieldAppearance, SubscriptSizing } from '@angular/material/form-field';
import * as i0 from "@angular/core";
/**
 * Value emitted and consumed by the date range picker.
 * The date instance type depends on the configured Material date adapter
 * (for example `Date`, `Moment`, or `Luxon` date objects).
 * Both properties are nullable so partially selected ranges can be represented safely.
 */
export interface DateRangeValue<TDate extends object = object> {
    start: TDate | null;
    end: TDate | null;
}
/**
 * Material-based date range picker component with a single `value` / `valueChange` API.
 * Supports Angular forms integration, disabled state, and optional minimum and maximum dates.
 *
 * @example
 * ```html
 * <epag-date-range-picker
 *   label="Booking period"
 *   [min]="minDate"
 *   [max]="maxDate"
 *   [(value)]="dateRange">
 * </epag-date-range-picker>
 * ```
 */
export declare class DateRangePickerComponent implements ControlValueAccessor {
    ngControl: NgControl;
    /**
     * Label rendered inside the form field.
     */
    label?: string;
    /**
     * Angular Material form-field appearance.
     * @default 'fill'
     */
    appearance: MatFormFieldAppearance;
    /**
     * Floating label behavior for the form field.
     * @default 'auto'
     */
    floatLabel: FloatLabelType;
    /**
     * Controls how the subscript area reserves space for hints and errors.
     * @default 'dynamic'
     */
    subscriptSizing: SubscriptSizing;
    /**
     * Placeholder shown in the start date input.
     * @default 'aaaa-mm-dd'
     */
    startPlaceholder: string;
    /**
     * Placeholder shown in the end date input.
     * @default 'aaaa-mm-dd'
     */
    endPlaceholder: string;
    /**
     * Disables the component when set directly by the consumer.
     * Combined with Angular forms disabled state through `setDisabledState`.
     * @default false
     */
    disabled: boolean;
    /**
     * Minimum selectable date applied to the range input.
     */
    min: object | null;
    /**
     * Maximum selectable date applied to the range input.
     */
    max: object | null;
    private _value;
    /**
     * Current selected range.
     * Incoming values are normalized so the component always works with a safe `{ start, end }` object.
     */
    get value(): DateRangeValue;
    set value(value: Partial<DateRangeValue> | null | undefined);
    /**
     * Emits whenever the selected range changes.
     */
    valueChange: EventEmitter<DateRangeValue<object>>;
    private cvaDisabled;
    private onChange;
    onTouched: () => void;
    /**
     * Effective disabled state, combining direct input binding and Angular forms state.
     */
    get isDisabled(): boolean;
    /**
     * Registers the component as the value accessor when used with Angular forms.
     */
    constructor(ngControl: NgControl);
    /**
     * Writes a new value from Angular forms into the component.
     */
    writeValue(obj: DateRangeValue | null | undefined): void;
    /**
     * Stores the callback used by Angular forms when the value changes.
     */
    registerOnChange(fn: (value: DateRangeValue) => void): void;
    /**
     * Stores the callback used by Angular forms when the control is touched.
     */
    registerOnTouched(fn: VoidFunction): void;
    /**
     * Updates the disabled state coming from Angular forms.
     */
    setDisabledState(isDisabled: boolean): void;
    /**
     * Normalizes and emits the current range after either input changes.
     */
    onDateChange(): void;
    /**
     * Ensures the component always stores a safe range object with nullable `start` and `end` keys.
     * @internal
     */
    private normalizeValue;
    static ɵfac: i0.ɵɵFactoryDeclaration<DateRangePickerComponent, [{ optional: true; self: true; }]>;
    static ɵcmp: i0.ɵɵComponentDeclaration<DateRangePickerComponent, "epag-date-range-picker", never, { "label": { "alias": "label"; "required": false; }; "appearance": { "alias": "appearance"; "required": false; }; "floatLabel": { "alias": "floatLabel"; "required": false; }; "subscriptSizing": { "alias": "subscriptSizing"; "required": false; }; "startPlaceholder": { "alias": "startPlaceholder"; "required": false; }; "endPlaceholder": { "alias": "endPlaceholder"; "required": false; }; "disabled": { "alias": "disabled"; "required": false; }; "min": { "alias": "min"; "required": false; }; "max": { "alias": "max"; "required": false; }; "value": { "alias": "value"; "required": false; }; }, { "valueChange": "valueChange"; }, never, never, false, never>;
    static ngAcceptInputType_disabled: unknown;
}