import { Observable } from 'rxjs';
/**
 * Stores the filter parameters and notifies the data source to perform a search.
 * @experimental
 */
export declare class TerraFilter<T> {
    /**
     * @description The filter parameter
     */
    filterParameter: T;
    /**
     * @description The search callback
     */
    search$: Observable<void>;
    private _search$;
    constructor();
    /**
     * @description Called to emit the next filter search
     */
    search(): void;
}