import { Effect } from "effect";
import { type PackageMetadata, type PluginMeta } from "../../core/metadata/index.js";
/**
 * Read and parse package.json from filesystem
 *
 * @param packagePath - Path to package.json (defaults to ./package.json)
 * @returns Effect with parsed package metadata
 *
 * @pure false - performs filesystem IO
 * @effect FileSystem
 * @invariant ∀ path: exists(path) → readable(readPackageJson(path))
 * @complexity O(n) where n = file size
 * @throws Never - all errors captured in Effect
 */
export declare const readPackageJson: (packagePath?: string) => Effect.Effect<PackageMetadata, Error>;
/**
 * Read package.json and create ESLint plugin meta
 *
 * @param packagePath - Path to package.json
 * @returns Effect with ESLint plugin meta object
 *
 * @pure false - performs filesystem IO
 * @effect FileSystem
 * @complexity O(n) where n = file size
 */
export declare const createPluginMetaFromPackage: (packagePath?: string) => Effect.Effect<PluginMeta, Error>;
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