/**
 * Check a bash/sh command for destructive patterns.
 * Returns the first matching warning, or null.
 */
export declare function getDestructiveCommandWarning(command: string): string | null;
/**
 * Check a PowerShell command for destructive patterns.
 * Returns the first matching warning, or null.
 */
export declare function getPowerShellDestructiveCommandWarning(command: string): string | null;
