import type { ParsedArgs } from "./args.js";
/**
 * `node-settings diff [file|-]` — compare a live K8s ConfigMap / Secret
 * (typically piped from `kubectl get -o yaml`) against the env schema.
 * Flags missing required keys, secrets accidentally placed in a
 * ConfigMap, non-secrets in a Secret, and extra undeclared keys.
 *
 * Exit codes:
 *   0   no errors (warnings may still be present; pass --strict to
 *       upgrade warnings to errors)
 *   1   one or more errors
 *   2   caller-supplied flags / inputs malformed
 */
export declare function runDiff(args: ParsedArgs): Promise<number>;
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