import * as i0 from '@angular/core';
import { InjectionToken, PipeTransform } from '@angular/core';

type SelectId = (entity: object) => string | number;
declare const SELECT_ID: InjectionToken<SelectId>;
declare const defaultSelectId: SelectId;
declare class SelectIdPipe implements PipeTransform {
    protected selectId: SelectId;
    constructor(selectId: SelectId);
    transform(entity: any): string | number;
    static ɵfac: i0.ɵɵFactoryDeclaration<SelectIdPipe, [{ optional: true; }]>;
    static ɵpipe: i0.ɵɵPipeDeclaration<SelectIdPipe, "selectId", true>;
}

export { SELECT_ID, SelectIdPipe, defaultSelectId };
export type { SelectId };