import { PipeTransform } from '@angular/core';
import * as i0 from "@angular/core";
export interface FilterItem {
    index: number;
    value: any;
}
/**
 * Filters an array for consumption by an angular *ngFor expression.
 * @example
 * 	```html
 * 	<input [(ngModel)]="searchQuery" placeholder="filter the list...">
 * 	<li *ngFor="let item of items | filter : searchQuery">
 * 		{{item}}
 * 	</li>
 * 	```
 */
export declare class FilterPipe implements PipeTransform {
    transform(items: any[], query: string, isObjectArray?: boolean, labelProp?: string): FilterItem[];
    static ɵfac: i0.ɵɵFactoryDeclaration<FilterPipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<FilterPipe, "filter", false>;
}