/**
 * Input sanitization utilities for SQL LIKE queries and path validation
 */
/**
 * Sanitize string for use in SQL LIKE patterns
 * Escapes special LIKE characters: %, _, "
 */
export declare function sanitizeForLike(input: string): string;
/**
 * Validate and sanitize file path
 * Cross-platform: prevents path traversal attacks and blocks system directories
 */
export declare function validateFilePath(filePath: string): string;
/**
 * Validate and normalize project path
 * Cross-platform: handles both Unix (/) and Windows (\) paths
 * Used for converting file paths to Claude project directory names
 */
export declare function sanitizeProjectPath(path: string): string;
/**
 * Sanitize SQL identifier (table/column name)
 * Only allows alphanumeric and underscore
 */
export declare function sanitizeSQLIdentifier(identifier: string): string;
/**
 * Escape a table name for use in double-quoted SQL identifiers
 * Doubles any embedded double-quotes per SQL standard
 */
export declare function escapeTableName(tableName: string): string;
/**
 * Validate database path for use in ATTACH DATABASE statement
 * Prevents SQL injection via path manipulation
 */
export declare function validateDatabasePath(dbPath: string): string;
/**
 * Convert a project path to Claude Code's project folder name
 * Cross-platform compatible - handles both Unix and Windows paths
 *
 * Examples:
 * - macOS/Linux: /Users/joker/github/project → -Users-joker-github-project
 * - Windows: C:\Users\user\project → C-Users-user-project
 * - Windows UNC: \\server\share\project → -server-share-project
 */
export declare function pathToProjectFolderName(projectPath: string): string;
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