import type { FlowVersion, DataApiVersion, FlowJSONSchema } from './types';
import { Screen } from './Screen';
export declare class FlowJSON {
    private readonly _version;
    private _dataApiVersion?;
    private _routingModel?;
    private readonly _screens;
    constructor(version?: FlowVersion);
    get version(): FlowVersion;
    get screens(): readonly Screen[];
    setDataApiVersion(version: DataApiVersion): this;
    setRoutingModel(model: Record<string, string[]>): this;
    addScreen(screen: Screen): this;
    addScreens(...screens: Screen[]): this;
    toJSON(): FlowJSONSchema;
    toString(indent?: number): string;
    saveToFile(filePath: string, indent?: number): void;
    static fromJSON(json: FlowJSONSchema | string): FlowJSON;
    static fromFile(filePath: string): FlowJSON;
}