/**
 * Security Module
 * ===============
 * Command allowlist validation for bash commands.
 * Adapted for cross-platform (Windows + Unix) environments.
 */
/** Allowed commands for development tasks */
export declare const ALLOWED_COMMANDS: Set<string>;
/**
 * Extract command names from a shell command string.
 * Handles pipes, chains (&&, ||, ;), and basic subshells.
 */
export declare function extractCommands(commandString: string): string[];
/**
 * Validate a bash command against the allowlist.
 * Returns null if allowed, or an error message if blocked.
 */
export declare function validateCommand(commandString: string): string | null;
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