import type { App, AppOptions, UI5 } from '../types.js';
import type { Package } from '@sap-ux/project-access';
/**
 * Returns a package instance with default properties.
 *
 * @param {string} [version] - the package version
 * @param {string} [description] - the package description
 * @param {boolean} [isEdmxProjectType] - whether the project type is Edmx or CAP
 * @returns {Partial<Package>} the package instance
 */
export declare function packageDefaults(version?: string, description?: string, isEdmxProjectType?: boolean): Partial<Package>;
/**
 * Returns an app instance merged with default properties.
 *
 * @param {App} app - specifies the application properties
 * @returns {Partial<App>} the App instance
 */
export declare function mergeApp(app: App): App;
export declare const defaultUI5Libs: string[];
/**
 * Merges version properties with the provided UI5 instance.
 * Coerces provided UI5 versions to valid semantic versions.
 *
 * @param {UI5} [ui5] - the UI5 instance
 * @param options - application options
 * @returns {UI5} the updated copy of UI5 instance (does not change `ui5`)
 */
export declare function mergeUi5(ui5: Partial<UI5>, options?: Partial<AppOptions>): UI5;
/**
 * Get the manifest descriptor version from the specified UI5 version.
 * Snapshots are handled by coercion to proper versions. If the version does not exist as an exact match
 * the nearest version lower will be used.
 *
 * @param ui5Version - the ui5 version to be used to map to the manifest descriptor version
 * @param manifestVersion - optional manifest descriptor version to be used if provided
 * @returns - the manifest descriptor version
 */
export declare function getManifestVersion(ui5Version: string, manifestVersion?: string): string;
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