import { DoCheck } from '@angular/core';
import { FieldType, FieldTypeConfig } from '@ngx-formly/core';
import * as i0 from "@angular/core";
export declare class NgSelectComponent extends FieldType<FieldTypeConfig<any>> implements DoCheck {
    filteredOptions: any[];
    searchValue: string;
    private _options;
    isDropdownOpen: boolean;
    onSearch(event: Event): void;
    ngOnInit(): void;
    ngDoCheck(): void;
    allSelected(): boolean;
    toggleSelectAll(): void;
    clearRemaining(items: any[], clear: (item: any) => void): void;
    expandedSummary: boolean;
    toggleSummary(): void;
    stopBackspacePropagation(event: KeyboardEvent): void;
    clearSearch(event: Event): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<NgSelectComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<NgSelectComponent, "sa-ng-select", never, {}, {}, never, never, true, never>;
}