export declare class AES {
    private readonly NK;
    private readonly NR;
    private readonly KEY;
    constructor(key: number[]);
    encrypt(block: number[]): number[];
    decrypt(block: number[]): number[];
    private createState;
    private stateToResult;
    private expandKey;
    private static roundConstant;
    private addRoundKey;
    private mixColumns;
    private shiftRows;
    private subBytes;
}