export interface FilePermissionInfo {
    mode: number;
    octal: string;
    readable: boolean;
    writable: boolean;
    executable: boolean;
    owner: string;
    group: string;
    size: number;
    lastModified: Date;
}
export interface FileFlagInfo {
    platform: string;
    hasImmutableFlag?: boolean;
    hasSystemFlag?: boolean;
    chflagsOutput?: string;
    chattrOutput?: string;
    error?: string;
}
export interface UnlockDiagnostics {
    filePath: string;
    permissions: FilePermissionInfo;
    flags: FileFlagInfo;
    atomicLockExists: boolean;
    diagnosis: string[];
    recommendations: string[];
}
/**
 * File diagnostics utility for troubleshooting unlock issues
 */
export declare class FileDiagnostics {
    private commandExecutor;
    constructor();
    /**
     * Get comprehensive file permission information
     */
    getFilePermissions(filePath: string): Promise<FilePermissionInfo>;
    /**
     * Check file flags and extended attributes
     */
    getFileFlags(filePath: string): Promise<FileFlagInfo>;
    /**
     * Check if atomic lock file exists
     */
    checkAtomicLock(filePath: string): Promise<boolean>;
    /**
     * Perform comprehensive diagnostics for unlock issues
     */
    diagnoseUnlockIssues(filePath: string): Promise<UnlockDiagnostics>;
    /**
     * Format diagnostics for display
     */
    formatDiagnostics(diagnostics: UnlockDiagnostics): string;
}
//# sourceMappingURL=FileDiagnostics.d.ts.map