import { OnDestroy } from '@angular/core';
import { SearchService } from '../search-service/search.service';
import { AbstractHeaderService } from '../../header/abstract-header-service';
import { HeaderType } from '../../header/models/header-type';
import { SearchChangeDescription } from '../../header/models/user-changes/search-change-description';
import { HeaderColumnType } from '../../header/models/header-column';
import { CategoryFactory } from '../category-factory/category-factory';
import { Category } from '../models/category/category';
import { Predicate } from '../models/predicate/predicate';
import { ProcessService } from '../../process/process.service';
import { TranslateService } from '@ngx-translate/core';
import { LoggerService } from '../../logger/services/logger.service';
import { Subscription } from 'rxjs';
import * as i0 from "@angular/core";
/**
 * Holds the Id of the predicate in the {@link SearchService}
 */
interface PredicateId {
    predicateId: number;
}
/**
 * Holds the information necessary for the configuration of a {@link Category} class to generate
 * a predicate for a Meta header field
 */
interface MetaGeneratorConfiguration {
    type: HeaderColumnType.META;
    fieldIdentifier: string;
    userInput: Array<any>;
}
/**
 * Holds the information necessary for the configuration of a {@link Category} class to generate
 * a predicate for a Data header field
 */
interface DataGeneratorConfiguration {
    type: HeaderColumnType.IMMEDIATE;
    fieldType: string;
    fieldTitle: string;
    userInput: Array<any>;
}
type HeaderConfiguration = PredicateId & (MetaGeneratorConfiguration | DataGeneratorConfiguration);
/**
 * Acts as an intermediary between the {@link AbstractHeaderService} instances of various types and the {@link SearchService}
 */
export declare class HeaderSearchService implements OnDestroy {
    protected _categoryFactory: CategoryFactory;
    protected _processService: ProcessService;
    protected _translate: TranslateService;
    protected _logger: LoggerService;
    protected _searchService: SearchService;
    protected _headerService: AbstractHeaderService;
    protected _columnToConfiguration: Map<number, HeaderConfiguration>;
    protected _typeToCategory: Map<string, Category<any>>;
    protected _headerSub: Subscription;
    protected _searchSub: Subscription;
    constructor(_categoryFactory: CategoryFactory, _processService: ProcessService, _translate: TranslateService, _logger: LoggerService, _searchService: SearchService);
    ngOnDestroy(): void;
    set headerService(headerService: AbstractHeaderService);
    /**
     * {@link HeaderSearchService} can only be initialized if it successfully injected a {@link SearchService}
     * and a {@link AbstractHeaderService} instance of any of the supported types was set into it.
     *
     * Currently only task and case header searching is supported.
     */
    protected initializeHeaderSearch(): void;
    /**
     * Pushes all the predicates from the headers into the search interface and clears the header inputs
     */
    protected processModeChange(): void;
    /**
     * Transforms the {@link HeaderChange} object into a search predicate
     */
    protected processSearchChange(headerType: HeaderType, changeDescription: SearchChangeDescription): void;
    /**
     * Processes the change object and resolves it into the appropriate case search predicate change
     * @param changeDescription the change object that should be resolved
     */
    protected processCaseSearch(changeDescription: SearchChangeDescription): void;
    /**
     * Processes the change object of a case meta header and resolves it into the appropriate case search predicate change
     * @param changeDescription the change object that should be resolved
     */
    protected processCaseMetaSearch(changeDescription: SearchChangeDescription): void;
    /**
     * Processes the change object of a case immediate data header and resolves it into the appropriate case search predicate change
     * @param changeDescription the change object that should be resolved
     */
    protected processCaseDataSearch(changeDescription: SearchChangeDescription): void;
    /**
     * @param changeDescription information about the search header change
     * @returns whether the input was cleared
     */
    protected emptyInput(changeDescription: SearchChangeDescription): boolean;
    /**
     * Updates a Predicate for a given column.
     * Removes an existing predicate for this column if it exists and adds the new Predicate.
     * @param column the index of the header column
     * @param predicate the Predicate that should be added
     * @param configuration data necessary for the configuration of the {@link Category} that generates the added predicate
     */
    protected addPredicate(column: number, predicate: Predicate, configuration: MetaGeneratorConfiguration | DataGeneratorConfiguration): void;
    /**
     * Removes a predicate that corresponds to the provided column
     * @param column the index of the column that cleared it's search
     * @param clearInput whether the corresponding header search input should be cleared
     */
    protected removePredicate(column: number, clearInput?: boolean): void;
    /**
     * @param removedId the id of the removed {@link Predicate}
     * @param clearInput whether the corresponding header search input should be cleared
     */
    protected handlePredicateRemoval(removedId: number, clearInput?: boolean): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<HeaderSearchService, [null, null, null, null, { optional: true; }]>;
    static ɵprov: i0.ɵɵInjectableDeclaration<HeaderSearchService>;
}
export {};