export declare const COMPANION_BUILTIN_PACKAGE_NAMES: readonly string[];
type JsonObject = {
    readonly [key: string]: JsonValue;
};
type JsonValue = boolean | JsonObject | JsonValue[] | null | number | string;
export type PackageIdentityJson = {
    readonly name?: string;
    readonly atomicConfig?: JsonObject;
    readonly piConfig?: JsonObject;
};
export declare function isCompanionBuiltinPackageName(name: string | undefined): boolean;
export declare function packageJsonDefinesAppIdentity(pkg: PackageIdentityJson): boolean;
/**
 * Walk from a bundled or compiled module directory to the Atomic app package.
 *
 * Prebundled companion extensions live under `dist/builtin/<name>/` with their
 * own `package.json`. The first package.json from those bundles is
 * `@bastani/workflows` (or another companion), which must not become APP_NAME.
 */
export declare function resolvePackageDirFrom(startDir: string): string;
export {};
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