import type { ConversationMeta, SearchResult } from "./types";
export declare class SearchIndexer {
    private index;
    private documents;
    private searchContents;
    constructor();
    private createIndex;
    addDocument(meta: ConversationMeta, searchContent?: string): void;
    buildIndex(metas: ConversationMeta[], searchContents?: Map<string, string>): void;
    search(query: string, options?: {
        fields?: string[];
        limit?: number;
    }): SearchResult[];
    private matchesFor;
    private getRecent;
    getDocumentCount(): number;
    updateDocument(meta: ConversationMeta, searchContent?: string): void;
    removeDocument(id: string): void;
    clear(): void;
}
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