export interface KnowledgeEntry {
    domain: string;
    id: string;
    title: string;
    content: string;
    tags?: string[];
    metadata?: Record<string, unknown>;
    created_at: string;
    updated_at: string;
}
export declare function putEntry(entry: KnowledgeEntry): Promise<void>;
export declare function getEntry(domain: string, id: string): Promise<KnowledgeEntry | null>;
export declare function queryByDomain(domain: string, limit?: number): Promise<KnowledgeEntry[]>;
export declare function searchByTag(tag: string, limit?: number): Promise<KnowledgeEntry[]>;
export declare function searchByText(domain: string, text: string, limit?: number): Promise<KnowledgeEntry[]>;
export declare function deleteEntry(domain: string, id: string): Promise<void>;
export declare function countByDomain(domain: string): Promise<number>;