import type { CloneExtraInfo, CloneFilter, CloneOptions, INamespace, UAVariable } from "node-opcua-address-space-base";
import { type LocalizedTextLike } from "node-opcua-data-model";
import type { AddTwoStateDiscreteOptions } from "../../source/address_space_ts";
import type { UATwoStateDiscreteEx } from "../../source/interfaces/data_access/ua_two_state_discrete_ex";
import type { ISetStateOptions } from "../../source/interfaces/i_set_state_options";
import { UAVariableImpl } from "../ua_variable_impl";
export declare class UATwoStateDiscreteImplBase extends UAVariableImpl {
    private get $5();
    _post_initialize(): void;
    setValue(value: boolean | LocalizedTextLike, options?: ISetStateOptions): void;
    getValue(): boolean;
    getValueAsString(): string;
    getTrueStateAsString(): string;
    getFalseStateAsString(): string;
    clone(options1: CloneOptions, optionalFilter?: CloneFilter, extraInfo?: CloneExtraInfo): UAVariable;
}
export type UATwoStateDiscreteImpl = UATwoStateDiscreteImplBase & UATwoStateDiscreteEx;
export declare const UATwoStateDiscreteImpl: new () => UATwoStateDiscreteImpl;
export declare function promoteToTwoStateDiscrete(node: UAVariable): UATwoStateDiscreteEx;
export declare function _addTwoStateDiscrete(namespace: INamespace, options: AddTwoStateDiscreteOptions): UATwoStateDiscreteEx;