import { IFilterParams } from 'ag-grid-community';
import BaseFilter from '../base-filter';
import { StringFilterHelper } from './string-filter-helper';
export declare class StringFilter extends BaseFilter {
    filterHelper: StringFilterHelper;
    init(params: IFilterParams & {
        searchMinLength: number;
        isMultiple: boolean;
    }): void;
    isFilterActive(): boolean;
    setupContentGui(): string;
    resetFilter(): void;
    removeFilterValue(): void;
    textDisplayedChanged(): void;
    getModel(): any;
    setModel(model: any): void;
    getValue(): string;
    getModelAsString(): string;
    setupContentGuiSideFilter(): string;
    protected applyObservers(): void;
}
