import { Effect } from "effect";
/**
 * Package metadata structure
 *
 * @pure true - immutable data structure
 * @invariant name.length > 0 ∧ version matches semver pattern
 */
export interface PackageMetadata {
    readonly name: string;
    readonly version: string;
    readonly description?: string | undefined;
    readonly author?: string | undefined;
    readonly license?: string | undefined;
}
/**
 * Plugin meta structure for ESLint
 *
 * @pure true - immutable data structure
 */
export interface PluginMeta {
    readonly name: string;
    readonly version: string;
}
/**
 * Extract essential metadata from package.json content
 *
 * @param packageJson - Raw package.json object (validated externally)
 * @returns Validated package metadata
 *
 * @pure true - no side effects, deterministic transformation
 * @invariant ∀ input: valid_json(input) → valid_metadata(extract(input))
 * @complexity O(1) - constant time property access
 * @precondition packageJson.name ∧ packageJson.version exist
 * @postcondition result.name === packageJson.name ∧ result.version === packageJson.version
 */
export declare const extractPackageMetadata: (packageJson: Record<string, string | undefined>) => Effect.Effect<PackageMetadata, Error>;
/**
 * Create ESLint plugin meta object from package metadata
 *
 * @param metadata - Validated package metadata
 * @returns ESLint plugin meta structure
 *
 * @pure true - deterministic transformation
 * @invariant ∀ meta: createPluginMeta(meta).name === meta.name
 * @complexity O(1) - simple object construction
 */
export declare const createPluginMeta: (metadata: PackageMetadata) => PluginMeta;
//# sourceMappingURL=package-info.d.ts.map