import type { ResolvedGitHubConfig } from "./types.js";
/**
 * Build the repository-scoped value passed to the shared GitHub cache-key
 * builders. File caches can use a process-wide distributed backend, so a ref
 * alone is not sufficient to isolate repositories with matching paths.
 */
export declare function buildGitHubCacheRef(config: Pick<ResolvedGitHubConfig, "owner" | "repo" | "ref">): string;
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