import { Environment } from '../ngx-services.models';
import * as i0 from "@angular/core";
export declare class CryptoService {
    private environments;
    constructor(environments: Environment);
    encryptAES(plaintext: string): Promise<string>;
    decryptAES(payload: string): Promise<string>;
    private loadKey;
    private uint8ArrayToBase64;
    private base64ToUint8Array;
    private arrayBufferToBase64;
    private base64ToArrayBuffer;
    static ɵfac: i0.ɵɵFactoryDeclaration<CryptoService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<CryptoService>;
}