/**
 * maintain-cmd.ts — fozikio maintain command.
 *
 * Subcommands:
 *   fozikio maintain fix              Scan and repair data issues
 *   fozikio maintain re-embed         Re-embed all memories with current provider
 *   fozikio maintain re-embed --dry-run  Show what would be re-embedded
 *
 * Flags:
 *   --dry-run     Show what would change without writing
 *   --limit N     Max memories to process (default: 500)
 *   --collection  memories | observations (for re-embed, default: memories)
 *   --null-only   Re-embed only docs with null/empty embeddings
 *   --verbose     Detailed per-item output
 */
export declare function runMaintain(args: string[]): Promise<void>;
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