import { WorkflowOutputParameterModel } from "../generic/WorkflowOutputParameterModel";
import { WorkflowOutputParameter } from "../../mappings/d2sb/WorkflowOutputParameter";
import { EventHub } from "../helpers/EventHub";
import { Expression } from "../../mappings/v1.0";
import { ExpressionModel } from "../generic/ExpressionModel";
export declare class SBDraft2WorkflowOutputParameterModel extends WorkflowOutputParameterModel {
    constructor(attr: WorkflowOutputParameter, loc?: string, eventHub?: EventHub);
    readonly destinationId: string;
    serialize(): WorkflowOutputParameter;
    deserialize(output: WorkflowOutputParameter): void;
    addSecondaryFile(file: Expression | string): ExpressionModel;
    updateSecondaryFiles(files: Array<Expression | string>): void;
    removeSecondaryFile(index: number): void;
}