import type { NormalizedTokens, LoadTokensOptions } from "./types.js";
/**
 * Manager for caching loaded token data.
 */
export declare class TokensCacheManager {
    private readonly cache;
    /**
     * Loads tokens from compressed data, using cache if available.
     * If loading fails, the failed promise is removed from the cache to allow retry.
     * @remarks
     * The default `cacheKey` is based on the full compressed string; consider providing a shorter stable key.
     */
    load(compressed: string, options?: LoadTokensOptions): Promise<NormalizedTokens>;
    /**
     * Clears a specific entry or all entries from the cache.
     */
    clear(key?: string): void;
    /**
     * Resets the cache to its initial empty state.
     * Alias for clear() - useful for testing.
     */
    reset(): void;
    /**
     * Returns the number of cached entries.
     */
    size(): number;
    /**
     * Returns true if the cache contains an entry for the given key.
     */
    has(key: string): boolean;
}
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