/**
 * Read-only project-level health checks (check* functions) used by
 * `cleo doctor` and CLI startup diagnostics.
 */
import type { CheckResult } from '@cleocode/contracts/scaffold-diagnostics';
/**
 * Verify all required .cleo/ subdirectories exist.
 *
 * @param projectRoot - Absolute path to the project root directory
 * @returns Check result with status and list of any missing subdirectories
 */
export declare function checkCleoStructure(projectRoot: string): CheckResult;
/**
 * Verify .cleo/.gitignore exists and matches template.
 *
 * @param projectRoot - Absolute path to the project root directory
 * @returns Check result indicating whether the gitignore matches the template
 */
export declare function checkGitignore(projectRoot: string): CheckResult;
/**
 * Verify the worktree-include file exists and matches the shipped template.
 *
 * Resolution order (T9983):
 * 1. Canonical `<projectRoot>/.worktreeinclude` — matches Claude Code Desktop
 *    + worktrunk-core convention.
 * 2. Legacy `<projectRoot>/.cleo/worktree-include` — read for one
 *    deprecation cycle. When only the legacy file exists, the check
 *    reports `warning` with a fix hint that points at
 *    `cleo doctor --migrate-worktree-include`.
 *
 * @param projectRoot - Absolute path to the project root directory (defaults to cwd)
 * @returns Check result indicating whether the worktree-include matches the template
 *
 * @task T9983
 */
export declare function checkWorktreeInclude(projectRoot?: string): CheckResult;
/**
 * Verify config.json exists and is valid JSON.
 *
 * @param projectRoot - Absolute path to the project root directory
 * @returns Check result indicating whether config.json is present and valid
 */
export declare function checkConfig(projectRoot: string): CheckResult;
/**
 * Verify project-info.json exists with required fields.
 *
 * @param projectRoot - Absolute path to the project root directory
 * @returns Check result indicating whether project-info.json is valid
 */
export declare function checkProjectInfo(projectRoot: string): CheckResult;
/**
 * Verify project-context.json exists and is not stale (default: 30 days).
 *
 * @param projectRoot - Absolute path to the project root directory
 * @param staleDays - Age threshold in days before reporting as stale (default: 30)
 * @returns Check result with freshness assessment
 */
export declare function checkProjectContext(projectRoot: string, staleDays?: number): CheckResult;
/**
 * Verify .cleo/.git checkpoint repository exists.
 *
 * @param projectRoot - Absolute path to the project root directory
 * @returns Check result indicating whether the checkpoint repo is present
 */
export declare function checkCleoGitRepo(projectRoot: string): CheckResult;
/**
 * Verify .cleo/tasks.db exists and is non-empty.
 *
 * @param projectRoot - Absolute path to the project root directory
 * @returns Check result with database existence and size information
 */
export declare function checkSqliteDb(projectRoot: string): CheckResult;
/**
 * Verify the brain domain database exists and is non-empty.
 *
 * E6-L2 (T11522): the brain domain consolidated into the project `cleo.db`
 * (`getBrainDb` → `openDualScopeDb('project')`), so this probe targets `cleo.db`
 * rather than a standalone `brain.db`.
 *
 * @param projectRoot - Absolute path to the project root directory
 * @returns Check result with database existence and size information
 */
export declare function checkBrainDb(projectRoot: string): CheckResult;
/**
 * Verify .cleo/memory-bridge.md exists.
 *
 * @param projectRoot - Absolute path to the project root directory
 * @returns Check result indicating presence of the memory bridge file
 */
export declare function checkMemoryBridge(projectRoot: string): CheckResult;
/**
 * Verify .cleo/nexus-bridge.md exists.
 *
 * @param projectRoot - Absolute path to the project root directory
 * @returns Check result indicating presence of the nexus bridge file
 */
export declare function checkNexusBridge(projectRoot: string): CheckResult;
/**
 * Check that the project log directory exists.
 *
 * @param projectRoot - Absolute path to the project root directory
 * @returns Check result indicating whether .cleo/logs/ is present
 */
export declare function checkLogDir(projectRoot: string): CheckResult;
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