import { InjectionToken } from '@angular/core';
import { Observable } from 'rxjs';
export declare const API_PLATFORM_NORMALIZERS: InjectionToken<Normalizer[]>;
export interface Normalizer {
    /**
     * Normalize the given value into a serializable value
     */
    normalize(value: any, context?: object): Observable<any>;
    /**
     * Checks if this normalizer supports normalizing the given value
     */
    supportsNormalization(value: any): Observable<boolean>;
}