/**
 * Doctor Command
 *
 * Diagnoses common issues with vat setup:
 * - Environment checks (Node.js version, git)
 * - Configuration validation
 * - Version checks
 */
import type { Command } from 'commander';
/**
 * Result of a single doctor check
 */
export interface DoctorCheckResult {
    /** Name of the check */
    name: string;
    /** Whether the check passed */
    passed: boolean;
    /** Message describing the result */
    message: string;
    /** Optional suggestion for fixing the issue */
    suggestion?: string;
}
/**
 * Project context information
 */
export interface ProjectContext {
    /** Current working directory */
    currentDir: string;
    /** Detected project root (null if not found) */
    projectRoot: string | null;
    /** Detected config file path (null if not found) */
    configPath: string | null;
}
/**
 * Overall doctor diagnostic result
 */
export interface DoctorResult {
    /** Whether all checks passed */
    allPassed: boolean;
    /** Individual check results */
    checks: DoctorCheckResult[];
    /** Total number of checks run */
    totalChecks: number;
    /** Number of checks that passed */
    passedChecks: number;
    /** Project context information */
    projectContext: ProjectContext;
}
/**
 * Version checker interface for dependency injection (enables fast tests)
 */
export interface VersionChecker {
    /** Fetch latest version from npm registry */
    fetchLatestVersion(): Promise<string>;
}
/**
 * Options for running doctor checks
 */
export interface DoctorOptions {
    /** Show all checks including passing ones */
    verbose?: boolean;
    /** Version checker (for testing) */
    versionChecker?: VersionChecker;
}
/**
 * Check Node.js version meets requirements
 */
export declare function checkNodeVersion(): DoctorCheckResult;
/**
 * Check if git is installed
 */
export declare function checkGitInstalled(): DoctorCheckResult;
/**
 * Check if current directory is a git repository
 */
export declare function checkGitRepository(): DoctorCheckResult;
/**
 * Check if configuration file exists
 *
 * Uses findConfigPath() to walk up directory tree.
 */
export declare function checkConfigFile(): DoctorCheckResult;
/**
 * Check if configuration is valid
 */
export declare function checkConfigValid(): DoctorCheckResult;
/**
 * Check if vat version is up to date (advisory only)
 */
export declare function checkVatVersion(versionChecker?: VersionChecker): Promise<DoctorCheckResult>;
/**
 * Check if CLI build is in sync with source code (development mode only)
 */
export declare function checkCliBuildSync(): DoctorCheckResult;
/**
 * Run all doctor checks
 *
 * @param options - Doctor options
 * @returns Doctor result
 */
export declare function runDoctor(options?: DoctorOptions): Promise<DoctorResult>;
/**
 * Main command handler for Commander.js
 */
export declare function doctorCommand(program: Command): void;
//# sourceMappingURL=doctor.d.ts.map