import type { Message } from '../providers/index.js';
import type { Provider } from '../providers/index.js';
export declare class MemoryEngine {
    private provider?;
    constructor(provider?: Provider | undefined);
    setProvider(p: Provider | undefined): void;
    loadSummary(): string;
    loadFullMemory(): string;
    appendRaw(content: string): void;
    rephraseForMemory(rawInput: string): Promise<string>;
    saveSession(messages: Message[], sessionId?: string): string;
    listSessions(): {
        id: string;
        savedAt: string;
        messageCount: number;
        preview: string;
    }[];
    loadSession(sessionId: string): Message[];
    extractNotableFacts(messages: Message[]): string[];
    extractSessionLearnings(messages: Message[]): string;
    consolidate(): Promise<void>;
    mergeMemories(): Promise<void>;
    purgeOldSessions(): void;
    searchMemory(query: string): string;
    getStats(): {
        summarySize: number;
        rawSize: number;
        memorySize: number;
        sessionCount: number;
    };
}
//# sourceMappingURL=MemoryEngine.d.ts.map