import { EventEmitter, OnInit } from '@angular/core';
import { FormBuilder, FormControl, FormGroup, ValidatorFn } from '@angular/forms';
import { KnoraApiConfig } from '@dasch-swiss/dsp-js';
import { SearchParams } from '../../viewer/views/list-view/list-view.component';
import { AdvancedSearchParamsService } from '../services/advanced-search-params.service';
/**
 * @ignore
 * Validator checking that the query does not contain a certain term, here OFFSET
 *
 * @param {RegExp} termRe
 */
export declare function forbiddenTermValidator(termRe: RegExp): ValidatorFn;
export declare class ExpertSearchComponent implements OnInit {
    private _dspApiConfig;
    private _searchParamsService;
    private _fb;
    /**
     * The data event emitter of type SearchParams
     *
     * @param  search
     */
    search: EventEmitter<SearchParams>;
    expertSearchForm: FormGroup;
    queryFormControl: FormControl;
    iriBaseUrl: string;
    defaultGravsearchQuery: string;
    constructor(_dspApiConfig: KnoraApiConfig, _searchParamsService: AdvancedSearchParamsService, _fb: FormBuilder);
    ngOnInit(): void;
    /**
     * @ignore
     * Reset the form to the initial state.
     */
    resetForm(): void;
    /**
     * @ignore
     * Send the gravsearch query to the result view by emitting the gravsearch as an output.
     */
    submitQuery(): void;
    /**
     * @ignore
     * Generate the whole gravsearch query matching the query given by the form.
     */
    private _generateGravsearch;
    /**
     * Get the IRI base url without configured api protocol.
     * The protocol in this case is always http
     * TODO: move to DSP-JS-Lib similar to `get ApiUrl`
     */
    private getIriBaseUrl;
}