import { ConfigurationInput } from '../models/configuration-input';
import { ElementRef } from '@angular/core';
import { Category } from '../models/category/category';
import { OperatorTemplatePart } from '../models/operator-template-part';
import { SearchAutocompleteOption } from '../models/category/search-autocomplete-option';
import { Observable } from 'rxjs';
import { MatSelect } from '@angular/material/select';
import * as i0 from "@angular/core";
export declare abstract class AbstractSearchConfigurationInputComponent {
    /**
     * Whether the contents displayed in this component can be edited by the user or not.
     *
     * Defaults to `true`
     */
    editable: boolean;
    configuration: ConfigurationInput;
    selectedCategory: Category<any>;
    set configurationInput(input: MatSelect | ElementRef<HTMLInputElement>);
    trackByTemplateParts: (a: number, b: OperatorTemplatePart) => 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;
    clearConfigurationInput(): void;
    clearOperatorInput(): void;
    filterOptions: (userInput: Observable<string>) => Observable<Array<SearchAutocompleteOption<unknown>>>;
    /**
     * Function for tracking Template parts in ngFor.
     * @param index index of the ngFor element
     * @param item template part
     */
    protected _trackByTemplateParts(index: number, item: OperatorTemplatePart): any;
    /**
     * 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;
    static ɵfac: i0.ɵɵFactoryDeclaration<AbstractSearchConfigurationInputComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<AbstractSearchConfigurationInputComponent, "ncc-abstract-search-configuration-input", never, { "editable": "editable"; "configuration": "configuration"; "selectedCategory": "selectedCategory"; }, {}, never, never>;
}