import { AfterViewInit, OnDestroy } from '@angular/core';
import { ControlValueAccessor, FormControl } from '@angular/forms';
import { DatatableSearchListOption, DatatableSearchSelectColumn } from '../../types/datatable-column.type';
import * as i0 from "@angular/core";
export declare class HeaderSelectFilterComponent<Record> implements AfterViewInit, OnDestroy, ControlValueAccessor {
    column: DatatableSearchSelectColumn<Record>;
    options: DatatableSearchListOption[];
    groups: {
        name: string;
        options: DatatableSearchListOption[];
    }[];
    control: FormControl<any>;
    selectControl: FormControl<any>;
    onChange: (value: any) => void;
    onTouched: () => void;
    private injector;
    private changeDetectorRef;
    private subsink;
    writeValue(controlValue: any): void;
    setDisabledState(isDisabled: boolean): void;
    registerOnChange(onChange: (value: any) => void): void;
    registerOnTouched(onTouched: () => void): void;
    ngAfterViewInit(): Promise<void>;
    ngOnDestroy(): void;
    private buildOptions;
    private isEmptyValue;
    static ɵfac: i0.ɵɵFactoryDeclaration<HeaderSelectFilterComponent<any>, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<HeaderSelectFilterComponent<any>, "lib-header-select-filter", never, { "column": { "alias": "column"; "required": false; }; }, {}, never, never, true, never>;
}