/**
 * Worker Prototype Hardening — outer-realm and inner-VM prototype freezing
 * to prevent dynamic constructor chain escapes (`fn['con'+'structor']`).
 */
import * as vm from 'node:vm';
/**
 * Neuters `.constructor` on all outer function prototypes so untrusted scripts
 * inside `vm` cannot traverse `fn['con'+'structor']` to reach the outer realm's
 * Function/AsyncFunction/GeneratorFunction constructors.
 */
export declare function hardenOuterFunctionPrototypes(): void;
/**
 * Freezes built-in prototypes and neuters Function constructors inside the
 * VM context to prevent dynamic constructor chain escapes like:
 *   `const c = 'con'+'structor'; Error()[c][c]('return process')()`
 */
export declare function freezeInnerVmContext(context: vm.Context): void;
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