import { Disposable } from '@devexpress/analytics-core/analytics-utils';
export declare class ClientFilterManager extends Disposable {
    private _updateTotals;
    private _filterParams;
    private _preservedFilterParams;
    private _filterState;
    constructor(_updateTotals: ko.Observable<boolean>);
    getFilterParams(): string;
    setFilterParams(clientFilter: string): void;
    clearFilterParams(): void;
    setFilterState(filterValue: any): void;
    getFilterState(): any;
    getPreservedFilterParams(): string;
    hasActiveFilter(): boolean;
}