import { SemanticVectorItem } from './types.js';
export declare class SemanticMemory {
    private customDir?;
    private currentUserId;
    private items;
    constructor(customDir?: string);
    switchUser(userId?: string): void;
    getMemoryDir(): string;
    getSemanticFile(): string;
    private ensureDirectory;
    private load;
    private save;
    /**
     * Indexes a new knowledge snippet into the vector store
     */
    store(text: string, category?: SemanticVectorItem['category'], metadata?: SemanticVectorItem['metadata'], geminiApiKey?: string): Promise<SemanticVectorItem>;
    /**
     * Performs semantic vector cosine similarity search
     */
    search(query: string, topK?: number, threshold?: number, geminiApiKey?: string): Promise<{
        item: SemanticVectorItem;
        similarity: number;
    }[]>;
    count(): number;
    getAll(): SemanticVectorItem[];
    clear(): void;
    private seedInitialKnowledge;
}
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