import { type ObjectManager } from "../../ObjectManager";
import { StandardSecurityHandlerRev5 } from "./StandardSecurityHandlerRev5";
/**
 * Represents Standard Security Handler Revision 6.
 * This handler always use AES encryption with key length of 256 bit,
 * it is described in PDF 2.0 specification.
 **/
export declare class StandardSecurityHandlerRev6 extends StandardSecurityHandlerRev5 {
    protected constructor(om: ObjectManager, id: number);
    static innerCreate(om: ObjectManager, id: number): StandardSecurityHandlerRev6;
    /**
     * Creates a new {@link StandardSecurityHandlerRev6}.
     *
     * @param om - {@link ObjectManager} that controls the lifetime of the {@link StandardSecurityHandlerRev6}.
     */
    static create(om?: ObjectManager): StandardSecurityHandlerRev6;
}