import { FilterType } from '../filter-type';
import { IOverlay } from '../../../overlays/models/overlay.model';
import { ICaseFilter } from '../../../menu-items/cases/models/case.model';
export declare abstract class FilterMetadata {
    type: FilterType;
    visible: boolean;
    collapse: boolean;
    initializeFilter(overlays: IOverlay[], modelName: string, caseFilter?: ICaseFilter, visible?: boolean): void;
    abstract accumulateData(value: any): void;
    abstract updateMetadata(value: any): void;
    abstract filterFunc(ovrelay: any, filteringParams: any): boolean;
    abstract getMetadataForOuterState(): any;
    abstract isFiltered(): boolean;
    abstract showAll(): void;
    abstract shouldBeHidden(): boolean;
    abstract hasResults(): boolean;
}