/**
 * Prompt cache manager with TTL per source type
 */
import type { CachingSource, AgentDefinition } from '../schemas';
export declare class PromptCacheManager {
    private cache;
    private defaultTtls;
    constructor(ttlOverrides?: Record<string, number>);
    /**
     * Get cached content for a source, loading if needed
     */
    get(source: CachingSource): Promise<string>;
    /**
     * Load content from source and cache it
     */
    load(source: CachingSource): Promise<string>;
    /**
     * Invalidate cache for an agent
     */
    invalidate(agentName: string): Promise<void>;
    /**
     * Preload all cache sources for an agent
     */
    preload(definition: AgentDefinition): Promise<void>;
    /**
     * Check if a source is accessible
     */
    checkSourceAccessible(source: CachingSource): Promise<boolean>;
    /**
     * Manual refresh method
     */
    refresh(agentName: string, definition: AgentDefinition): Promise<void>;
    private getCacheKey;
    private getTtl;
    private isExpired;
    private loadFromSource;
    private hashCode;
}
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