import { Base, Type } from "./type";
import { IFilterExpressionEnvironment } from "./IFilterExpressionEnvironment";
/**
 * @hidden
 */
export declare class FilterExpressionEnvironment extends Base implements IFilterExpressionEnvironment {
    static $t: Type;
    private a;
    constructor();
    getVariableValue(a: string): any;
    setVariableValue(a: string, b: any): void;
    hasVariable(a: string): boolean;
}