import { type LLMPromptCatalog } from '../../client/codegen/promptCatalog.typedefs';
export interface GenerateSnapshotOptions {
    catalog: LLMPromptCatalog;
    label: string;
    outputPath: string;
    onLog?: (message: string) => void;
}
/**
 * The codegen entry point invoked by `npm run langfuse:generate`. Lists labeled
 * prompts from the injected catalog, validates each config, renders the
 * snapshot file, and writes it to `outputPath`. An empty project is valid: it
 * produces an empty but type-correct snapshot. The caller owns both the
 * catalog construction (its own credentials, its own Langfuse project) and the
 * CI cached-artifact fallback (this throws on an unreachable catalog so the
 * caller can fall back).
 */
export declare function generateSnapshot(options: GenerateSnapshotOptions): Promise<{
    promptCount: number;
}>;