export interface PackageFactoryInfo {
    file: string;
    variable: string;
}
export interface CredentialMetaForPackage {
    name: string;
    displayName: string;
    type: 'singleton' | 'wire';
    oauth2?: boolean;
}
export declare const serializePackageFactories: (outputPath: string, packageName: string, configFactory: PackageFactoryInfo | undefined, singletonServicesFactory: PackageFactoryInfo | undefined, wireServicesFactory: PackageFactoryInfo | undefined, packageMappings?: Record<string, string>, credentialsMeta?: Record<string, CredentialMetaForPackage>, requiredParentServices?: string[]) => string | null;