import { EvaluatorBuilder, EvaluatorFactory } from '../../domain';
import { Operand, IEvaluator } from '../../../shared/domain';
export declare class EvaluatorFactoryImpl implements EvaluatorFactory {
    private evaluators;
    constructor();
    add(key: string, evaluator: EvaluatorBuilder): EvaluatorFactory;
    get(key: string): EvaluatorBuilder | undefined;
    create(operand: Operand): IEvaluator | undefined;
}