/**
 * Copyright 2022 Gravwell, Inc. All rights reserved.
 *
 * Contact: [legal@gravwell.io](mailto:legal@gravwell.io)
 *
 * This software may be modified and distributed under the terms of the MIT
 * license. See the LICENSE file for details.
 */
import { Observable } from 'rxjs';
import { SearchFilter } from '../../../models/search/search-filter';
import { RequiredSearchFilter } from '../subscribe-to-one-search/helpers';
export declare type DateRange = {
    start: Date;
    end: Date;
};
export declare type CreateRequiredSearchFilterObservable = {
    /** Observable that will receives the properties of search to be updated */
    filter$: Observable<SearchFilter>;
    /** First filter that will be emitted by the source */
    initialFilter: RequiredSearchFilter;
    /** Date range used on preview */
    previewDateRange: DateRange;
    /** Values used in the lack of a initial filter value */
    defaultValues: {
        dateStart: Date;
        dateEnd: Date;
    };
};
/**
 * Creates the necessary properties to control the filter of a search.
 *
 * @returns An observable that emits the updated search
 */
export declare const createRequiredSearchFilterObservable: ({ filter$, initialFilter, previewDateRange, defaultValues, }: CreateRequiredSearchFilterObservable) => Observable<RequiredSearchFilter>;