import { EventEmitter, OnChanges, SimpleChanges } from '@angular/core';
import { FilterPopoverCategory, FilterPopoverOption, FilterPopoverSelection } from '../../models/filter-popover.model';
import * as i0 from "@angular/core";
/**
 * FilterPopoverComponent renders a configurable multi-category filter popup.
 * Positioned via CSS absolute — parent must wrap trigger + this component
 * in a `position: relative` container.
 *
 * Supports single or multi-category mode:
 * - Single category: left nav is hidden, only checkbox list shown.
 * - Multi-category: left nav with category selection + right panel.
 *
 * @export
 * @class FilterPopoverComponent
 * @implements {OnChanges}
 */
export declare class FilterPopoverComponent implements OnChanges {
    /** Controls visibility */
    isOpen: boolean;
    /** Filter categories with their options — parent defines what to show */
    categories: FilterPopoverCategory[];
    /** Header title text */
    title: string;
    /** Clear all button text */
    clearAllLabel: string;
    /** Select all link text */
    selectAllLabel: string;
    /** Deselect all link text */
    deselectAllLabel: string;
    /** Reset button text */
    resetLabel: string;
    /** Apply button text */
    applyLabel: string;
    /** No results message */
    noResultsMessage: string;
    /** Search placeholder prefix (appended with category label) */
    searchPlaceholderPrefix: string;
    /** Emits the current selection when user clicks Apply */
    filterApplied: EventEmitter<FilterPopoverSelection>;
    /** Emits when user clicks Reset */
    filterReset: EventEmitter<void>;
    /** Emits when the popover should be closed (backdrop click or after Apply). */
    closed: EventEmitter<void>;
    /** Currently active category index */
    activeCategoryIndex: number;
    /** Search term for filtering options */
    searchTerm: string;
    /** Internal working copy of categories */
    workingCategories: FilterPopoverCategory[];
    /**
     * Refreshes working copy when opening or categories change.
     */
    ngOnChanges(changes: SimpleChanges): void;
    /** Whether this is a single-category filter (hides left nav) */
    get isSingleCategory(): boolean;
    /** Total number of selected options across all categories */
    get totalSelectedCount(): number;
    /** Currently active category */
    get activeCategory(): FilterPopoverCategory | undefined;
    /** Options filtered by search term for the active category */
    get filteredOptions(): FilterPopoverOption[];
    /** Whether all visible options are checked */
    get isAllVisibleSelected(): boolean;
    /** Selects a category from the left nav */
    onCategorySelect(index: number): void;
    /** Toggles a single checkbox option */
    onOptionToggle(option: FilterPopoverOption): void;
    /** Toggles all visible options */
    onSelectAll(): void;
    /** Applies filter and emits selection */
    onApply(): void;
    /** Resets all selections */
    onReset(): void;
    /** Clears all (same as reset) */
    onClearAll(): void;
    /** Closes via backdrop click */
    onBackdropClick(): void;
    trackByCategory(index: number): number;
    trackByOption(_index: number, option: FilterPopoverOption): string;
    private initWorkingCopy;
    private recalculateSelectedCount;
    static ɵfac: i0.ɵɵFactoryDeclaration<FilterPopoverComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<FilterPopoverComponent, "ieeesa-filter-popover", never, { "isOpen": { "alias": "isOpen"; "required": false; }; "categories": { "alias": "categories"; "required": false; }; "title": { "alias": "title"; "required": false; }; "clearAllLabel": { "alias": "clearAllLabel"; "required": false; }; "selectAllLabel": { "alias": "selectAllLabel"; "required": false; }; "deselectAllLabel": { "alias": "deselectAllLabel"; "required": false; }; "resetLabel": { "alias": "resetLabel"; "required": false; }; "applyLabel": { "alias": "applyLabel"; "required": false; }; "noResultsMessage": { "alias": "noResultsMessage"; "required": false; }; "searchPlaceholderPrefix": { "alias": "searchPlaceholderPrefix"; "required": false; }; }, { "filterApplied": "filterApplied"; "filterReset": "filterReset"; "closed": "closed"; }, never, never, true, never>;
}