export interface RuleImplementationModuleExports {
    meta?: unknown;
    evaluate?: unknown;
    /**
     * Call evaluate(input, helpers) INSIDE the vm context with a time boundary.
     *
     * PRI-437: The evaluate() function extracted from a vm context executes in
     * the vm realm, but a direct host-realm call has NO timeout protection —
     * an infinite loop in RuleCode would hang the host process forever.
     *
     * callEvaluate runs the invocation inside the vm context via
     * Script.runInContext({ timeout }), which terminates infinite loops.
     *
     * Throws on timeout, compilation error, or if evaluate is missing.
     */
    callEvaluate?: (input: unknown, helpers: unknown) => unknown;
}
export declare function loadRuleImplementationModule(sourceCode: string, filename: string): RuleImplementationModuleExports;