/**
 * Command discovery utilities - handles command file discovery and listing
 */
/**
 * Default commands directory
 */
export declare const DEFAULT_COMMANDS_DIR: string;
/**
 * Command file extension
 */
export declare const COMMAND_FILE_EXTENSION = ".md";
/**
 * Maximum allowed length for command names
 */
export declare const MAX_COMMAND_NAME_LENGTH = 50;
/**
 * Maximum allowed size for command files (in bytes)
 */
export declare const MAX_COMMAND_FILE_SIZE: number;
/**
 * Validate command name for security
 * Prevents path traversal and injection attacks
 */
export declare function validateCommandName(commandName: string): void;
/**
 * Validate commands directory path
 */
export declare function validateCommandsDirectory(commandsDir: string): void;
/**
 * Discover all available command files
 */
export declare function discoverCommandFiles(commandsDir?: string): Promise<string[]>;
/**
 * Filter out template and meta files from command list
 */
export declare function filterCommandFiles(files: string[]): string[];
/**
 * Extract command name from file name with validation
 */
export declare function extractCommandName(fileName: string): string;
/**
 * Convert command files to command names
 */
export declare function filesToCommandNames(files: string[]): string[];
/**
 * Get all available command names
 */
export declare function listAvailableCommands(commandsDir?: string): Promise<string[]>;
/**
 * Check if a command file exists
 */
export declare function commandFileExists(commandName: string, commandsDir?: string): Promise<boolean>;
/**
 * Get the full path to a command file
 * Validates inputs to prevent path traversal attacks
 */
export declare function getCommandFilePath(commandName: string, commandsDir?: string): string;
/**
 * Validate command file size and accessibility
 */
export declare function validateCommandFile(filePath: string, commandName: string): Promise<void>;
/**
 * Load all command files with error handling
 */
export declare function loadAllCommandFiles(commandsDir?: string): Promise<{
    invalid: Array<{
        error: string;
        name: string;
    }>;
    valid: string[];
}>;
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