import { OnDestroy, OnInit, Type } from '@angular/core';
import { Subject, Subscription } from 'rxjs';
import { Category } from '../models/category/category';
import { SearchAutocompleteOption } from '../models/category/search-autocomplete-option';
import { ElementaryPredicate } from '../models/predicate/elementary-predicate';
import { LoggerService } from '../../logger/services/logger.service';
import { MatSelect } from '@angular/material/select';
import { EditableElementaryPredicate } from '../models/predicate/editable-elementary-predicate';
import { AdvancedSearchComponentInitializationService } from '../advanced-search-component-initialization-service/advanced-search-component-initialization.service';
import { CategoryFactory } from '../category-factory/category-factory';
import * as i0 from "@angular/core";
/**
 * Is responsible for the interactive creation of a single {@link ElementaryPredicate} object instance.
 */
export declare abstract class AbstractSearchPredicateComponent implements OnInit, OnDestroy {
    private _naeSearchCategories;
    protected _logger: LoggerService;
    protected _initializationService: AdvancedSearchComponentInitializationService;
    protected _categoryFactory: CategoryFactory;
    /**
     * Whether the contents displayed in this component can be edited by the user or not.
     *
     * Defaults to `true`
     */
    editable: boolean;
    predicate: EditableElementaryPredicate;
    predicateId: number;
    remove$: Subject<number>;
    /**
     * Optional generator with prefilled values. Can be used to add prefilled predicate components to the search GUI.
     */
    generator: Category<any> | undefined;
    protected _selectedCategory: Category<any>;
    protected _predicateChange: Subscription;
    protected _searchCategories: Array<Category<any>>;
    protected constructor(_naeSearchCategories: Array<Type<Category<any>>>, _logger: LoggerService, _initializationService: AdvancedSearchComponentInitializationService, _categoryFactory: CategoryFactory);
    ngOnInit(): void;
    ngOnDestroy(): void;
    get searchCategories(): Array<Category<any>>;
    set categoryInput(input: MatSelect);
    get selectedCategory(): Category<any>;
    set selectedCategory(newCategory: Category<any>);
    /**
     * Lambda that is used to preserve `this` reference in HTML binding.
     *
     * See [_renderSelection()]{@link AbstractSearchPredicateComponent#_renderSelection} for information about the transform function.
     * @param option the {@link SearchAutocompleteOption} object that was selected in the autocomplete list.
     */
    renderSelection: (option: SearchAutocompleteOption<unknown>) => string;
    remove(): void;
    categoryChanged(newCategory: Category<any>): void;
    clearCategorySelection(): void;
    /**
     * Transforms a {@link SearchAutocompleteOption} object into it's name.
     * Used for displaying user selection in the input field, when an autocomplete option is selected.
     * @param option the object we want to transform. It might not exist if user input doesn't match any autocomplete option
     * @returns option name if it exists, empty string otherwise
     */
    protected _renderSelection(option: SearchAutocompleteOption<unknown>): string;
    /**
     * Notifies the `EditableElementaryPredicate` about changes to the predicate generated by the selected `Category`.
     * @param newPredicate predicate generated by the selected `Category`
     */
    protected processPredicateChange(newPredicate: ElementaryPredicate | undefined): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<AbstractSearchPredicateComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<AbstractSearchPredicateComponent, "ncc-abstract-search-predicate", never, { "editable": { "alias": "editable"; "required": false; }; "predicate": { "alias": "predicate"; "required": false; }; "predicateId": { "alias": "predicateId"; "required": false; }; "remove$": { "alias": "remove$"; "required": false; }; "generator": { "alias": "generator"; "required": false; }; }, {}, never, never, false, never>;
}