export declare class PackagePackerError extends Error {
    constructor(message: string, options?: {
        cause?: unknown;
    });
}
export interface PackageJsonInfo {
    name?: string;
    version?: string;
    files?: string[] | null;
}
export declare function readPackageJson(packageRoot: string): Promise<PackageJsonInfo>;
export declare function resolvePackageFilePatterns(files: string[] | null): string[];
export declare function copyPackageRuntimeView(params: {
    sourceRoot: string;
    targetRoot: string;
    patterns: string[];
}): Promise<string[]>;
export declare function hashPackageRuntimeView(params: {
    sourceRoot: string;
    patterns: string[];
}): Promise<string>;
export declare function ensureSymlink(params: {
    targetPath: string;
    sourcePath: string;
}): Promise<void>;