import type { CanonicalGetMemoryResult, GetMemoryOptions, SessionEventInput } from "@devflow-tools/sdk";
export interface MemoryData {
    memories: Array<{
        id: string;
        category: string;
        content: string;
        originalText?: string;
        source: string;
        status: string;
        confidence: number;
        importance?: number;
        scope: string;
        createdAt: number;
        approvedAt?: number;
    }>;
}
export declare class MemoryService {
    private readonly logger;
    private engines;
    private readonly ENGINE_TTL;
    private readonly mutationProvenance;
    private getEngine;
    getAll(rootPath: string, source?: string): Promise<MemoryData>;
    add(rootPath: string, entry: {
        category: string;
        content: string;
        scope?: string;
    }): Promise<import("@devflow-tools/sdk").MemoryEntryRecord>;
    update(rootPath: string, id: string, updates: {
        content?: string;
        status?: string;
    }): Promise<void>;
    delete(rootPath: string, id: string): Promise<void>;
    getCandidates(rootPath: string): Promise<import("@devflow-tools/sdk").MemoryEntryRecord[]>;
    approveCandidate(rootPath: string, id: string): Promise<void>;
    rejectCandidate(rootPath: string, id: string): Promise<void>;
    search(rootPath: string, query: string, opts?: {
        limit?: number;
        categories?: string[];
    }): Promise<import("@devflow-tools/sdk").MemorySearchEntry[]>;
    query(rootPath: string, options: GetMemoryOptions): Promise<CanonicalGetMemoryResult>;
    updateLegacy(rootPath: string, layer: string, key: string, value: unknown): Promise<void>;
    recordEvent(rootPath: string, event: SessionEventInput): Promise<{
        acknowledged: boolean;
        extracted: number;
    }>;
    getPendingCount(rootPath: string): Promise<{
        count: number;
    }>;
    processSessionEnd(rootPath: string, sessionId?: string): Promise<{
        l2Evaluated: number;
        l2Kept: number;
        directWrite: number;
        discarded: number;
        pendingEvents: number;
    }>;
}
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