import type { AgentConfig } from '../../types/agentConfig.js';
import type { AutoRetrieveProvider } from '../../types/run-context.js';
import type { AnyTool } from '../../types/effectTool.js';
import type { KnowledgeProviderConfig } from '../../types/knowledge.js';
import { KnowledgeProvider } from '../KnowledgeProvider.js';
export declare function buildKnowledgeProvider(config: KnowledgeProviderConfig): KnowledgeProvider;
export declare function buildAutoRetrieveProvider(provider: KnowledgeProvider, agent: AgentConfig): AutoRetrieveProvider | undefined;
export declare function buildKnowledgeTool(provider: KnowledgeProvider, agent: AgentConfig): AnyTool | undefined;
import type { SystemModelMessage } from 'ai';
/**
 * Append volatile gather blocks AFTER the stable system head.
 * Ordering is load-bearing for prompt caching: the system breakpoint sits on
 * the last stable message; volatile retrieval/memory/run-notes must not pull
 * into the cached prefix.
 */
export declare function appendGatherBlocks(system: SystemModelMessage[], blocks: Array<string | undefined>): SystemModelMessage[];