export declare const UNREAL_MANIFEST_FILENAME = "helix.unreal.json";
export declare const UNREAL_PACKAGE_INDEX_FILENAME = "package-index.json";
export declare const UNREAL_ARTIFACT_MODES: readonly ["shared-runtime", "native-game"];
export declare const UNREAL_NETWORKING_MODES: readonly ["unreal-native", "helixnet", "custom", "none"];
export type UnrealArtifactMode = (typeof UNREAL_ARTIFACT_MODES)[number];
export type UnrealNetworkingMode = (typeof UNREAL_NETWORKING_MODES)[number];
export type UnrealProjectManifest = {
    schemaVersion: 1;
    slug: string;
    title: string;
    version: string;
    platform: 'Win64';
    artifactMode: UnrealArtifactMode;
    platformSdk: {
        identity: true;
        session: true;
    };
    networking: {
        mode: UnrealNetworkingMode;
        contractVersion?: number;
    };
    helixRuntime?: {
        version: string;
    };
    artifacts: {
        content?: string;
        client?: string;
        clientExecutable?: string;
        server?: string;
        serverExecutable?: string;
        signingReceipt?: string;
    };
};
export type UnrealPackageFile = {
    path: string;
    size: number;
    sha256: string;
    role: 'content' | 'client' | 'server' | 'signing-receipt';
};
export type UnrealPackageIndex = {
    schemaVersion: 1;
    uploadReady: boolean;
    uploaded: false;
    artifactMode: UnrealArtifactMode | null;
    networking: UnrealNetworkingMode | null;
    slug: string | null;
    version: string | null;
    createdAt: string;
    files: UnrealPackageFile[];
    totalBytes: number;
};
export type UnrealPackageResult = {
    ok: boolean;
    outputDir: string;
    errors: string[];
    index: UnrealPackageIndex;
};
export declare function readUnrealManifest(projectDir: string): {
    path: string;
    manifest: UnrealProjectManifest | null;
    errors: string[];
};
export declare function initUnrealManifest(input: string, options: {
    artifactMode: UnrealArtifactMode;
    networking: UnrealNetworkingMode;
    runtimeVersion?: string;
    force?: boolean;
}): {
    path: string;
    manifest: UnrealProjectManifest;
};
export declare function packageUnrealProject(input: string, output: string, options?: {
    force?: boolean;
}): UnrealPackageResult;