/**
 * Knowledge Base Management
 *
 * CRUD operations for the KnowledgeBase registry table.
 * Each KB is a tenant — entries, tags, triage items, etc. are scoped to a KB.
 */
import type { KnowledgeBase, KnowledgeBaseInput, KnowledgeBaseUpdate } from '../types.ts';
/**
 * Create a new knowledge base.
 *
 * @param data - KB data to create
 * @returns The created knowledge base
 * @throws Error if a KB with the same id already exists
 */
export declare function createKnowledgeBase(data: KnowledgeBaseInput): Promise<KnowledgeBase>;
/**
 * Get a knowledge base by ID.
 *
 * @param id - KB identifier
 * @returns The KB record, or null if not found
 */
export declare function getKnowledgeBase(id: string): Promise<KnowledgeBase | null>;
/**
 * Update an existing knowledge base.
 *
 * @param id - KB identifier
 * @param data - Fields to update
 * @returns The updated KB record
 * @throws Error if the KB does not exist
 */
export declare function updateKnowledgeBase(id: string, data: KnowledgeBaseUpdate): Promise<KnowledgeBase>;
/**
 * Delete a knowledge base.
 *
 * Only deletes the registry record — does NOT cascade to entries, tags, etc.
 * The caller is responsible for cleanup or can leave orphaned data for
 * eventual consistency.
 *
 * @param id - KB identifier
 * @throws Error if the KB does not exist
 */
export declare function deleteKnowledgeBase(id: string): Promise<void>;
/**
 * List all knowledge bases.
 *
 * @returns Array of KB records
 */
export declare function listKnowledgeBases(): Promise<KnowledgeBase[]>;
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