import type { App, UI5, AppOptions, Ui5App } from '../types.js';
import type { Package } from '@sap-ux/project-access';
/**
 * Merges Ui5App instance with default properties.
 * Replaces undefined mandatory properties with default values.
 *
 * @param {Ui5App} ui5App - the Ui5App instance
 * @returns {Ui5App} - a new Ui5App instance with all required defaults set
 */
export declare function mergeWithDefaults(ui5App: Ui5App): {
    app: App;
    appOptions: Partial<AppOptions>;
    ui5: UI5;
    package: Package;
};
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