import { type ObjectManager } from "../../ObjectManager";
import { SecurityHandlerBase } from "./SecurityHandlerBase";
/**
 * Represents a security handler of a type that is not currently supported by DsPdfJS.
 * An instance of this type will be created if a loaded PDF uses a security handler
 * of an unsupported type.
 * Instances of this type cannot be directly created in user code.
 **/
export declare class UnknownSecurityHandler extends SecurityHandlerBase {
    protected constructor(om: ObjectManager, id: number);
    static innerCreate(om: ObjectManager, id: number): UnknownSecurityHandler;
}