import { PackageJsonLookup, IPackageJson } from '@microsoft/node-core-library';
/**
 * Represents analyzed information for a package.json file.
 * This object is constructed and returned by PackageMetadataManager.
 */
export declare class PackageMetadata {
    /**
     * The absolute path to the package.json file being analyzed.
     */
    readonly packageJsonPath: string;
    /**
     * The parsed contents of package.json.  Note that PackageJsonLookup
     * only includes essential fields.
     */
    readonly packageJson: IPackageJson;
    /**
     * If true, then the package's documentation comments can be assumed
     * to contain API Extractor compatible TSDoc tags.
     */
    readonly aedocSupported: boolean;
    private readonly _packageJsonLookup;
    constructor(packageJsonPath: string, packageJsonLookup: PackageJsonLookup);
}
/**
 * This class maintains a cache of analyzed information obtained from package.json
 * files.  It is built on top of the PackageJsonLookup class.
 */
export declare class PackageMetadataManager {
    private readonly _packageJsonLookup;
    private readonly _packageMetadataByPackageJsonPath;
    constructor(packageJsonLookup: PackageJsonLookup);
    /**
     * Finds the package.json in a parent folder of the specified source file, and
     * returns a PackageMetadata object.  If no package.json was found, then undefined
     * is returned.  The results are cached.
     */
    tryFetchPackageMetadata(sourceFilePath: string): PackageMetadata | undefined;
    /**
     * Returns true if the source file has an associated PackageMetadata object
     * with aedocSupported=true.
     */
    isAedocSupportedFor(sourceFilePath: string): boolean;
}