/**
 * Content-based disambiguation for ambiguous IaC file extensions (spec-07).
 *
 * `.yaml`/`.yml`/`.json` are used by Kubernetes, CloudFormation, Helm, Ansible,
 * and plain config alike. `detectLanguage` can only see the extension, so it
 * routes these through `classifyYaml`, a small pure function that inspects path
 * + content. When unsure, return `null` (→ `unknown`): never force a
 * classification onto generic YAML (CI configs, docker-compose, app config).
 */
import type { IacLanguage } from './types.js';
/**
 * Classify an ambiguous `.yaml`/`.yml`/`.json` file by its path + content.
 * Returns the IaC language, or `null` when the file is not recognizably IaC.
 *
 * Note: Helm chart membership that depends on an ancestor `Chart.yaml` is
 * resolved by the caller (it needs the file set); here we only catch the
 * unambiguous Helm signal of a `{{ … }}` template under a `templates/` dir.
 */
export declare function classifyYaml(path: string, content: string): IacLanguage | null;
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