/**
 * OpenAPI 3.x **document shape**: parse JSON/YAML and check required top-level fields
 * (`openapi` version, `paths`, `info.title`, `info.version`). Not Spectral-style API lint
 * (no `security`, `operationId`, or style rules). No LLM, no network.
 */
export declare function findOpenApiInBundle(files: Record<string, string>): {
    path: string;
    content: string;
} | null;
export declare function parseOpenApiString(content: string): {
    doc: Record<string, unknown>;
    format: 'yaml' | 'json';
} | null;
/** Minimal **document shape** validation (parseable OpenAPI 3.x with paths + info). */
export declare function validateOpenApiStructural(doc: unknown): {
    ok: boolean;
    errors: string[];
};
export declare function serializeOpenApiDoc(doc: Record<string, unknown>, format: 'yaml' | 'json'): string;
/** Validate generated OpenAPI file in bundle (document shape only; no mutation or LLM repair). */
export declare function validateOpenApiInBundleStructural(files: Record<string, string>): {
    ok: boolean;
    path: string | null;
    errors: string[];
};
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