import { HttpClient } from '@angular/common/http';
import { BehaviorSubject } from 'rxjs';
import { Tag } from '../_models';
import * as i0 from "@angular/core";
export interface CheckableTag {
    tag: Tag;
    checked: boolean;
    without: boolean;
}
export interface BasicPreference {
    id: string;
    name: string;
}
export interface Preferences {
    with: BasicPreference[];
    without: BasicPreference[];
}
export declare class PreferencesService {
    private http;
    tagsToAdd: CheckableTag[];
    tagsToRemove: CheckableTag[];
    isOpened$: BehaviorSubject<boolean>;
    currentPreferencesNumber: BehaviorSubject<number>;
    guests$: BehaviorSubject<number>;
    constructor(http: HttpClient);
    get guests(): number;
    set guests(newNumber: number);
    get preferencesInStorage(): Preferences;
    initGuests(): void;
    tagIsInStorage(tag: Tag, without: boolean): boolean;
    tagShouldBeChecked(tag: Tag, without: boolean): boolean;
    resetPreferences(): void;
    resetTagsActions(): void;
    sendCacheRequest(action: 'set' | 'remove', key: string, value?: any): import("rxjs").Observable<Object>;
    addPreferencesToRemoteFilters(filters?: object, fromPreference?: boolean): {
        include_tags?: string;
        exclude_tags?: string;
    };
    addTag(tag: CheckableTag): void;
    newTagFromSearch(tag: Tag): void;
    removeTag(tag: CheckableTag): void;
    tagWasAlreadyRemoved(tag: Tag): boolean;
    tagWasAlreadyAdded(tag: Tag): boolean;
    updatePreferences(): void;
    private saveTagInPreferences;
    private removeTagFromPreferences;
    private removeTagFromArray;
    private getPreferences;
    private updatePreferencesCount;
    static ɵfac: i0.ɵɵFactoryDef<PreferencesService, never>;
    static ɵprov: i0.ɵɵInjectableDef<PreferencesService>;
}
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