/**
 * `bober vault reindex` — rebuild the derived FactStore from an Obsidian vault.
 *
 * Walks all `.md` files under a vault directory, parses their YAML frontmatter,
 * and reconcile-at-ingest writes each frontmatter key as a FactInput into the
 * team/namespace FactStore. Mirrors the facts.ts / medical.ts CLI pattern exactly:
 *   - Handler never throws — errors set process.exitCode=1 and write chalk.red.
 *   - Store is always closed in a finally block.
 *   - Wall-clock time is read exactly ONCE at the handler boundary.
 *   - Vault directory defaults to projectRoot when --vault is omitted.
 */
import type { Command } from "commander";
import type { ReindexSummary } from "../../vault/reindex.js";
/** Injectable dependencies for runVaultReindex — production callers pass undefined. */
export interface VaultReindexDeps {
    /** Override the current time ISO string (default: new Date().toISOString()). */
    nowIso?: string;
}
/**
 * Core logic for `bober vault reindex`.
 * Extracted so tests can inject a temp projectRoot and assert on the FactStore
 * without spawning a process. The CLI .action() calls this with no deps (production).
 *
 * @param projectRoot Absolute path to the project root (for FactStore namespace resolution).
 * @param opts.scope  Fact scope label passed to reindexNotes (e.g. "medical", "finance").
 * @param opts.vault  Vault directory to read notes from. Defaults to `projectRoot` when omitted.
 * @param deps        Optional injectable deps (nowIso for testing).
 * @returns The ReindexSummary on success, or undefined if an error occurred (exitCode=1).
 */
export declare function runVaultReindex(projectRoot: string, opts: {
    scope: string;
    vault?: string;
}, deps?: VaultReindexDeps): Promise<ReindexSummary | undefined>;
/**
 * Register the `bober vault` command tree.
 * Provides `vault reindex --scope <domain> [--vault <dir>]`.
 * Mirrors registerMedicalCommand / registerFactsCommand shape.
 */
export declare function registerVaultCommand(program: Command): void;
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