export type ManifestSkipReason = "package.json exists" | "foreign manifest";
export interface CreateProjectManifestResult {
    created: boolean;
    path: string;
    /** The package name written, when a manifest was created. */
    name?: string;
    reason?: ManifestSkipReason;
    /** The file that made this directory look like another ecosystem. */
    foreignManifest?: string;
}
/**
 * Derive a valid npm package name from a directory name. npm allows lowercase
 * letters, digits, and `-._`, and forbids a leading `.` or `_`.
 */
export declare function toPackageName(directoryName: string): string;
/**
 * Write a minimal placeholder package.json so a brand-new project can pin the
 * pipeline as a devDependency. Deliberately not `npm init --yes`: that writes a
 * stub `test` script that fails by design, which `init` would then pick up as a
 * verify command and every build would fail on it.
 */
export declare function createProjectManifest(cwd: string): Promise<CreateProjectManifestResult>;
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