import { OnDestroy, OnInit } from '@angular/core';
import { DatasourceComponent } from './ds-datasource.component';
import { FilterOperator } from './ds-dtos.model';
import * as i0 from "@angular/core";
export declare class DatasourceFilterDirective implements OnInit, OnDestroy {
    private readonly logger;
    set dsfilter(filter: string | Array<string>);
    filterMinLength: number;
    private get inputWithCheckedProperty();
    private assertInputWithCheckedProperty;
    set setDatasource(value: DatasourceComponent);
    set filterOperatorAsString(value: string);
    filterTrueValue: string;
    defaultFilterValues: string;
    private datasource;
    filterFields: string | string[];
    filterOperator: FilterOperator;
    private filterInput;
    get filterValue(): string;
    private get isInputChecked();
    private subscriptions;
    ngOnInit(): void;
    ngOnDestroy(): void;
    private initDefaultFilter;
    private onFilterChanged;
    private resetFilter;
    onBlur(): void;
    onChange(): void;
    onInput(): void;
    private setOldValueFromDatasource;
    private resetOldValueToEmpty;
    private timeout;
    /** selbstgebauter debounce */
    private timeoutFilter;
    private oldFilter;
    private addFilter;
    private isEmpty;
    private allEmpty;
    static ɵfac: i0.ɵɵFactoryDeclaration<DatasourceFilterDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<DatasourceFilterDirective, "[ds-filter]", never, { "dsfilter": { "alias": "ds-filter"; "required": false; }; "filterMinLength": { "alias": "ds-filter-minlength"; "required": false; }; "setDatasource": { "alias": "datasource"; "required": false; }; "filterOperatorAsString": { "alias": "ds-filter-operator"; "required": false; }; "filterTrueValue": { "alias": "ds-filter-true-value"; "required": false; }; "defaultFilterValues": { "alias": "ds-filter-default"; "required": false; }; }, {}, never, never, false, never>;
}