import { Environment } from '../lib/evaluator.js.js';
import { Decimal } from '../lib/decimal.js.js';
export declare class TestEnvironment extends Environment {
    evalSync(expr: string, ctx?: Record<string, unknown>): unknown;
}
export declare function evalSync(expr: string, ctx?: Record<string, unknown>): unknown;
export declare function expectDecimal(result: unknown, expected: number | bigint | string | Decimal): void;
export declare const env: TestEnvironment;
