import type { Ref, SecretRef } from "./types.js";
export declare const makeRef: <T = unknown>(resourceId: string, output?: string) => Ref<T>;
export declare const refKey: (resourceId: string, output?: string) => string;
export declare const isRef: (value: unknown) => value is Ref<unknown>;
export declare const isSecret: (value: unknown) => value is SecretRef;
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