import type { ZodTypeAny } from "zod";
export type LoweringTransform = (input: any, policies?: Record<string, any>) => Promise<any> | any;
export type PolicyValidator = (policies?: Record<string, any>) => void;
declare class LoweringEngine {
    private transforms;
    private validators;
    private policySchemas;
    registerTransform(name: string, fn: LoweringTransform): void;
    unregisterTransform(name: string): void;
    getTransform(name: string): LoweringTransform | undefined;
    listTransforms(): string[];
    registerPolicyValidator(name: string, v: PolicyValidator): void;
    registerPolicySchema(name: string, schema: ZodTypeAny): void;
    runTransform(name: string, input: any, policies?: Record<string, any>): any;
}
export declare const engine: LoweringEngine;
export {};