import { EventEmitter, SimpleChanges } from '@angular/core';
import { SnFilter, SnFilterColumn, SnFilterEvaluation, SnFilterNumericOperator, SnFilterPrefix, SnFilterStringOperator } from './filter.types';
import * as i0 from "@angular/core";
export declare class SnFilterComponent {
    private snFilterService;
    private destroy$;
    snFilter: SnFilter[];
    snFilterColumns: SnFilterColumn[];
    readonly snFilterChange: EventEmitter<SnFilter[]>;
    prefixData: SnFilterPrefix[];
    stringOperatorArray: SnFilterStringOperator[];
    numericOperatorArray: SnFilterNumericOperator[];
    ngOnInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    trackByFn(index: number, item: SnFilter): number;
    trackByFnEval(index: number, item: SnFilterEvaluation): number;
    onRemoveFilter(id: number, parentId: number): void;
    onSelectColumn(event: Event, id: number, parentId: number): void;
    onSelectOperator(event: Event, id: number, parentId: number): void;
    onChangeValue1(event: any, id: number, parentId: number): void;
    onChangeValue2(event: any, id: number, parentId: number): void;
    onAddFilter(key: string, parentId: number): void;
    isNumberOperator(type: string): boolean;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<SnFilterComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<SnFilterComponent, "sn-filter", never, { "snFilter": { "alias": "snFilter"; "required": false; }; "snFilterColumns": { "alias": "snFilterColumns"; "required": false; }; }, { "snFilterChange": "snFilterChange"; }, never, never, true, never>;
}