import type { Blueprint } from '@seamapi/blueprint';
export interface BlueprintCache {
    blueprintVersion: string;
    typesVersion: string;
    checkedAt: string;
    blueprint: Blueprint;
}
export declare const getCacheFile: (cacheDirectory: string) => string;
export declare const readCache: (file: string) => Promise<BlueprintCache | null>;
export declare const writeCache: (file: string, cache: BlueprintCache) => Promise<void>;
export declare const isUpdateCheckDue: (checkedAt: string) => boolean;
/**
 * The blueprint version the cache is keyed on: a cached blueprint built by a
 * different @seamapi/blueprint version is stale even for the same types.
 */
export declare const getBlueprintVersion: () => Promise<string>;