import { type CacheRevisionSnapshot } from "veryfront/extensions/distributed/cache-support";
export type RedisRevisionedCacheRecord = Readonly<{
    kind: "present";
    revision: string;
    value: string;
}> | Readonly<{
    kind: "absent";
    revision: string;
}>;
/** Test whether a raw Redis string starts with the versioned CAS frame. */
export declare function hasRevisionedCacheRecordPrefix(value: unknown): value is string;
/** Decode one strict revisioned Redis STRING without altering its payload. */
export declare function parseRevisionedCacheRecord(value: unknown): RedisRevisionedCacheRecord;
/** Parse the exact two Redis Lua read result variants. */
export declare function parseRedisRevisionReadResult(value: unknown): CacheRevisionSnapshot;
/** Parse the exact Redis integer result used by compare-exchange. */
export declare function parseRedisRevisionExchangeResult(value: unknown): boolean;
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