export interface PackageReference {
    readonly package: string;
    readonly optional?: boolean;
    readonly api?: string;
}
export interface ChildPluginReference extends PackageReference {
    readonly instanceKey: string;
}
export interface ZhinPluginManifest {
    readonly protocol: 1;
    readonly type: 'plugin';
    readonly entry: string;
    readonly engine?: string;
    readonly runtime?: 'trusted' | 'isolated';
    /**
     * When true (default), Root plugins receive official Stable Features
     * (`@zhin.js/adapter|command|component`) from the platform/CLI even if they
     * are omitted from `features` / project dependencies. Set false to opt out.
     */
    readonly platformFeatures?: boolean;
    readonly features: readonly PackageReference[];
    readonly plugins: readonly ChildPluginReference[];
}
export interface ZhinFeatureManifest {
    readonly protocol: 1;
    readonly type: 'feature';
    readonly entry: string;
    readonly engine?: string;
    readonly featureApi?: string;
}
export type ZhinPackageManifest = ZhinPluginManifest | ZhinFeatureManifest;
export interface PackageJson {
    readonly name: string;
    readonly version?: string;
    readonly type?: 'module' | 'commonjs';
    readonly main?: string;
    readonly exports?: unknown;
    readonly imports?: unknown;
    readonly private?: boolean;
    readonly dependencies?: Readonly<Record<string, string>>;
    readonly optionalDependencies?: Readonly<Record<string, string>>;
    readonly peerDependencies?: Readonly<Record<string, string>>;
    readonly devDependencies?: Readonly<Record<string, string>>;
    readonly scripts?: Readonly<Record<string, string>>;
    readonly zhin: ZhinPackageManifest;
}
export declare class ManifestValidationError extends Error {
    readonly issues: readonly string[];
    constructor(issues: readonly string[]);
}
export declare function parsePackageJson(value: unknown, source: string): PackageJson;