import { ProcessRequirement } from "../../mappings/d2sb/ProcessRequirement";
import { ProcessRequirementModel } from "./ProcessRequirementModel";
import { Serializable } from "../interfaces/Serializable";
import { ExpressionModel } from "./ExpressionModel";
import { EventHub } from "../helpers/EventHub";
export declare class RequirementBaseModel extends ProcessRequirementModel implements Serializable<ProcessRequirement> {
    private exprConstructor;
    private eventHub;
    'class': string;
    value?: any | ExpressionModel;
    constructor(req?: ProcessRequirement | any, exprConstructor?: new (...args: any[]) => ExpressionModel, loc?: string, eventHub?: EventHub);
    customProps: any;
    updateValue(value: any | ExpressionModel): void;
    serialize(): ProcessRequirement;
    deserialize(attr: ProcessRequirement): void;
}