import { AngularJsonProject } from './angular-json-project';
export declare class AngularJson {
    private content;
    constructor(buffer: Buffer | undefined | null);
    readonly defaultProject: string;
    hasApp(appName: string): boolean;
    getApp(appName: string): {
        [x: string]: any;
        root: string;
        projectType: "application" | "library";
        architect: {
            [key: string]: any;
        };
    };
    setApp(appName: string, appDefinition: AngularJsonProject): void;
    getRootPathFor(appName: string): string;
    setJestConfigFor(testAppName: string): void;
    setCypressConfigFor(e2eAppName: string): void;
    stringify(): string;
    private _getApps;
    private _hasNoContent;
}