import type { SpotlightMemoryEntry } from "@inupedia/spotlight-protocol";
import { type EmbeddingProvider } from "./embeddingProvider.js";
import type { SemanticLookupOptions, SemanticWriteResult } from "./memoryStoreTypes.js";
export interface MilvusSemanticMemoryStoreOptions {
    projectId: string;
    tenantId?: string;
    embeddingProvider?: EmbeddingProvider | null;
}
export declare function isMilvusEmbeddingReady(): boolean;
export declare function validateMilvusEmbedding(embedding: number[] | null | undefined, dim?: number): boolean;
/** L1 semantic recall in Milvus (Spotlight 独立 DB / collection，与 Yuxi kb_* 隔离). */
export declare class MilvusSemanticMemoryStore {
    private readonly projectId;
    private readonly tenantId;
    private readonly embeddingProvider;
    private readonly embeddingDim;
    private collectionReady;
    constructor(options: MilvusSemanticMemoryStoreOptions);
    static isAvailable(): boolean;
    private ensureCollection;
    private initCollection;
    put(entry: SpotlightMemoryEntry, embedding: number[]): Promise<void>;
    putWithOptionalEmbedding(entry: SpotlightMemoryEntry): Promise<SemanticWriteResult>;
    findSimilar(projectId: string, questionNorm: string, limit?: number, options?: SemanticLookupOptions): Promise<Array<{
        entry: SpotlightMemoryEntry;
        score: number;
    }>>;
    private scoreMilvusHits;
    private findSimilarLexical;
    touch(entryId: string): Promise<void>;
    listEntries(limit?: number): Promise<SpotlightMemoryEntry[]>;
    deleteEntry(entryId: string): Promise<boolean>;
    deleteAll(projectId: string): Promise<number>;
    count(projectId?: string): Promise<number>;
}
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